Updated on 2024/05/15

写真a

 
Kenjiro NISHIKAWA
 
Organization
Research Field in Engineering, Science and Engineering Area Graduate School of Science and Engineering (Engineering) Department of Engineering Electrical and Electronics Engineering Program Professor
Title
Professor
External link

Degree

  • PhD ( 2004.1   Osaka University )

Research Interests

  • energy harvesting

  • wireless power transmission

  • MMIC

  • microwave/millimeter-wave

Research Areas

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment  / MMIC

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment  / microwave engineering

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment  / Wireless power transfer

Education

  • Osaka University   Welding Engineering, Master Program, Graduate School of Engineering

    1989.4 - 1991.3

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    Country: Japan

  • Osaka University   Division of Welding Engineering

    1985.4 - 1989.3

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    Country: Japan

Research History

  • Kagoshima University   Research Field in Engineering, Science and Engineering Area Graduate School of Science and Engineering (Engineering) Department of Engineering Electrical and Electronics Engineering Program   Professor

    2020.4

  • Kagoshima University   Research Field in Engineering, Science and Engineering Area Graduate School of Science and Engineering (Engineering) Electrical and Electronics Engineering Course   Professor

    2011.4 - 2020.3

Professional Memberships

  • IEEE MTT-S/SSCS/EDS

    2015.10

  • 電子情報通信学会

    2015.10

Committee Memberships

  • European Microwave Association (EuMA)   General Assembly member  

    2023.1 - 2025.12   

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    Committee type:Academic society

  • IEEE Wireless Power Transfer Conference and Exhibition   TPC chair  

    2023.1 - 2024.12   

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    Committee type:Academic society

 

Papers

  • Kenjiro Nishikawa .  Rectifier Desgin Techniques for Wide Dynamic Range Operation .  2023 Asia Pacific Microwave Conference (APMC)   620 - 622   2023.12Rectifier Desgin Techniques for Wide Dynamic Range OperationInvited Reviewed

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/APMC57107.2023.10439733

  • Daisuke Yasunobu, Ren Furumoto, and Kenjiro Nishikawa .  Investigation on High-efficient Saturation Operation of Doherty-Outphasing Hybrid Power Amplifier for WPT applications .  2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)   1 - 4   2023.8Investigation on High-efficient Saturation Operation of Doherty-Outphasing Hybrid Power Amplifier for WPT applicationsReviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.23919/URSIGASS57860.2023.10265509

  • Satoshi Yoshida, and Kenjiro Nishikawa .  Dependable Wireless Powering for the Wireless Sensor Station by Using Combination of Solar Cell and Rectenna .  2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)   1 - 2   2023.8Dependable Wireless Powering for the Wireless Sensor Station by Using Combination of Solar Cell and RectennaReviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/USNC-URSI52151.2023.10238301

  • Satoshi Yoshida, and Kenjiro Nishikawa .  Effect of the Shielding for Opened Windows of the Reusable Vehicle Test for 5.8-GHz-Band Microwave Power Transmission .  2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)   1 - 2   2023.8Effect of the Shielding for Opened Windows of the Reusable Vehicle Test for 5.8-GHz-Band Microwave Power TransmissionReviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.23919/URSIGASS57860.2023.10265678

  • Masahiro Nakagawa, Ren Furumoto, Satoshi Yoshida, and Kenjiro Nishikawa .  28GHz High Efficiency Rectifier Design utilizing Second Harmonic Signal Control .  2023 IEEE Wireless Power Technology Conference and Expo (WPTCE)   1 - 3   2023.628GHz High Efficiency Rectifier Design utilizing Second Harmonic Signal ControlReviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/WPTCE56855.2023.10215868

  • Ren Furumoto, Daisuke Yasunobu, Kenjiro Nishikawa .  Analysis of the Operation of a Hybrid Amplifier Based on the Doherty Amplifier .  2022 Asia-Pacific Microwave Conference Digest(APMC)73   737 - 739   2022.11Analysis of the Operation of a Hybrid Amplifier Based on the Doherty Amplifier

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    Language:English   Publisher:The Institute of Electronics, Information and Communication Engineers  

    This paper analyzes the limit points of the backoff region of a Hybrid amplifier with outphasing operation on the low output side and Doherty operation on the high output side. The circuit configuration consists of two parallel Doherty amplifiers connected to a Chireix combiner. The Doherty amplifiers were load-pull simulated, and the Chireix combiner was designed based on the impedance of the obtained backoff efficiency. From the simulation results of the Hybrid amplifier designed using symmetrical and asymmetrical Doherty amplifiers, it was confirmed that the limiting point of backoff efficiency is the drain efficiency of the load-pull data for the configuration in which the Chireix combiner is connected without changing the parameters of the Doherty amplifier.

    DOI: 10.34385/proc.73.if-a20

  • Riku Maeda, Satoshi Yoshida, Kenjiro Nishikawa, Shigeo Kawasaki .  Demonstration of a 920MHz Band Wireless Sensor System Powered by 5.8 GHz Band Wireless Power Transmission .  2022 Asia-Pacific Microwave Conference Digest (APMC)73   578 - 580   2022.11Demonstration of a 920MHz Band Wireless Sensor System Powered by 5.8 GHz Band Wireless Power Transmission

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    Language:English   Publisher:The Institute of Electronics, Information and Communication Engineers  

    In this paper, a wireless sensor network system that can be coexist with high-power microwave power transmission system is proposed. Based on a frequency division scheme where the microwave power transmission (MPT) system and wireless communication frequencies are 5.8 GHz and 920 MHz, respectively was adopted for the coexistence. Packet error rate (PER) and radio signal strength indicator (RSSI) were measured with rectifier output DC power to show the compatibility. Feasibility of the proposed system was demonstrated by evaluating the measurements in an anechoic chamber.

    DOI: 10.34385/proc.73.fr2-f5-5

  • Satoshi Yoshida, Mizuki Kuwata, Kenjiro Nishikawa .  Measurement of a 60-GHz-Band Digital Beamforming Array Using 4-by-2 Circular Patch .  2022 International Symposium on Antennas and Propagation (ISAP)2022   539 - 540   2022.11Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/ISAP53582.2022.9998698

  • Shunya Asakura, Shuhei Yamanokuchi, Satoshi Yoshida, Kenjiro Nishikawa .  Design and Prototyping of a Single-Shunt Rectifier with 71% Fractional Bandwidth Having Acceptable Matching on 10 dBm LSSP .  2022 Wireless Power Week (WPW)WPTC2022   383 - 387   2022.7Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/WPW54272.2022.9853949

  • Yotaro Watanabe, Shintaro Miya, Taishi Nara, Satoshi Yoshida, Shigeo Kawasaki, Kenjiro Nishikawa .  Investigation of Transmission Efficiency on Short- range 4x4 MIMO WiCoPT System (finalist for Student Paper Competition) .  2022 Wireless Power Week (WPW)WPTC2022   853 - 856   2022.7Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/WPW54272.2022.9901357

  • Teruki Yabuta, Satoshi Yoshida, Kenjiro Nishikawa .  Dual-band Wireless Power Transfer System for Simultaneous Wireless Information and Power Transfer System .  2022 Wireless Power Week (WPW)WPTC2022   884 - 886   2022.7Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/WPW54272.2022.9901355

  • 朝倉 俊哉, 吉田 賢史, 西川 健二郎 .  比帯域71%を達成する1GHz帯広帯域シングルシャント整流器の設計,測定,評価 .  電気学会研究会資料. EMT = The papers of technical meeting on electromagnetic theory, IEE Japan / 電磁界理論研究会 [編]2022 ( 40-53・55-58・60-81 ) 85 - 89   2022.7

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    Language:Japanese   Publisher:東京 : 電気学会  

  • Satoshi Yoshida, Shunya Asakura, Shuhei Yamanokuchi, and Kenjiro Nishikawa .  152.6% Fractional Bandwidth UHF-to-Microwave Band Compact Rectifier Utilizing the Conditions for Flat Frequency Characteristics of RF–DC Conversion Efficiency .  IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS32 ( 6 ) 595 - 598   2022.3Reviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1109/LMWC.2022.3143844

  • Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, and Kenjiro Nishikawa .  Re-Evaluation of a Dual-Feed Linear Polarized 2-by-2 Circular Patch Array Antenna for 60-GHz-Band Digital Beamforming Applications .  IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING16 ( 12 ) 1653 - 1655   2021.12Reviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/tee.23478

  • Ren Furumoto, Hayato Shimizu, Kenjiro Nishikawa .  Design of 94GHz High Efficiency Rectifier MMIC .  2021 IEEE Asia-Pacific Microwave Conference (APMC)   2021.11

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/apmc52720.2021.9661998

  • Koshi Hamano, Hayato Shimizu, and Kenjiro Nishikawa .  Analysis of Phase Offset Impact on Millimeter-wave Broadband Doherty Amplifier MMIC .  2021 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)   2021.8Invited Reviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/RFIT52905.2021.9565245

  • 古本 廉, 清水 駿斗, 西川 健二郎 .  94GHz帯高効率整流回路MMICの設計 .  電気学会研究会資料. EMT = The papers of technical meeting on electromagnetic theory, IEE Japan / 電磁界理論研究会 [編]2021 ( 26-35・37-50 ) 17 - 22   2021.7

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    Language:Japanese   Publisher:東京 : 電気学会  

  • Satoshi Yoshida and Kenjiro Nishikawa .  Expansion Technique of the Beamforming Area for 60-GHz-Band Beamforming Array Antenna in Mobile Wireless Terminal Application .  2021 13th Global Symposium on Millimeter-Waves & Terahertz (GSMM)   2021.5Reviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/GSMM53250.2021.9511914

  • Satoshi Yoshida, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, Kenjiro Nishikawa, and Shigeo Kawasaki .  Expansion of the Beamforming Coverage Area in an Elevation Plane for 60-GHz-Band 3D Beamforming .  IEEE Antennas and Wireless Propagation Letters20 ( 5 ) 773 - 775   2021.5Expansion of the Beamforming Coverage Area in an Elevation Plane for 60-GHz-Band 3D BeamformingReviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1109/LAWP.2021306

  • Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki .  C-Band Frequency Tunable Rectifier Designed by HySIC Concept Utilizing GaAs MMIC and Si RFIC .  IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS30 ( 10 ) 997 - 1000   2020.9C-Band Frequency Tunable Rectifier Designed by HySIC Concept Utilizing GaAs MMIC and Si RFICReviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1109/LMWC.2020.30

  • Kenjiro Nishikawa and Satoshi Yoshida .  Rectifier Design Challenges Towards Wide Dynamic Range Performance (invited) .  2020 IEEE International Symposium on Radio Frequency Integrated Technology (RFIT)   227   2020.9Rectifier Design Challenges Towards Wide Dynamic Range Performance (invited)Invited Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

  • Runyuan Li, Satoshi Yoshida, Yasunori Suzuki, Hiroshi Okazaki, and Kenjiro Nishikawa .  Investigation of Rectifier Operation with Harmonic Controlled Input Signals Towards Pulse Modulation WiCoPT System (RFIT2020 Student Award) .  2020 IEEE International Symposium on Radio Frequency Integrated Technology (RFIT)   228 - 230   2020.9Investigation of Rectifier Operation with Harmonic Controlled Input Signals Towards Pulse Modulation WiCoPT System (RFIT2020 Student Award)Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

  • Hayato Shimizu, Yudai Iwashita, Ryotaro Iwamoto and Tamio Kawaguchi, and Kenjiro Nishikawa .  6 - 10 GHz Cryogenic GaAs pHEMT LNA MMIC .  2020 IEEE International Symposium on Radio Frequency Integrated Technology (RFIT)   117 - 119   2020.96 - 10 GHz Cryogenic GaAs pHEMT LNA MMICReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

  • Takuya Obara, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki .  Analysis and Optimization of GaN Diode Structure for High Power and High Efficiency Rectifier .  URSI XXXIIIrd General Assembly and Scientific Symposium (URSI GA2020)   D03-05   2020.8Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:URSI  

    Other Link: http://www.ursi.org/proceedings/procGA20/papers/SPCSummaryObara.pdf

  • Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki .  Initial Verification of a Bandwidth Tunable Ku-Band Power Amplifier Designed by the HySIC Concept .  IEICE Communications Express9 ( 12 ) 599 - 604   2020.7Initial Verification of a Bandwidth Tunable Ku-Band Power Amplifier Designed by the HySIC ConceptReviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1587/comex.2020COL0007

  • Satoshi Yoshida, Kentaro Matsuura, Daisuke Kobuchi, Naoto Yabuta, Toshihiro Nakaoka, Kenjiro Nishikawa, and Shigeo Kawasaki .  The K-Band Communication Transmitter/Receiver Powered by the C-Band HySIC Energy Harvester with Multi-Sensors .  2020 IEEE MTT-S International Microwave Symposium   1180 - 1183   2020.6The K-Band Communication Transmitter/Receiver Powered by the C-Band HySIC Energy Harvester with Multi-SensorsReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

  • Satoshi yoshida and Kenjiro Nishikawa .  Experimental Verification of Excavated Structure on Multi-Layered Substrates for Millimeter-Wave Signal Vertical Transition Using Copper Balls .  IEEE Accessvol.8   2362 - 2372   2019.12Experimental Verification of Excavated Structure on Multi-Layered Substrates for Millimeter-Wave Signal Vertical Transition Using Copper BallsReviewed

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:IEEE  

    This paper presents a vertical transition of millimeter-wave signal for interconnection between multi-layered substrates, which utilizes copper balls for vertical interconnection, as both for electrical connection and physical support. In particular, the copper balls were used to configure a quasi-coaxial transmission line at the vertical interconnection. The key idea was to create an excavated structure at the location of the copper balls to fix it, given that the copper balls slightly fluctuate during reflow soldering when simply placed on a flat surface. Such activity of the copper balls defines large variation in transmission characteristics at millimeter-wave band that produce low yield rate. Practically, with the proposed method of an excavated structure, the location error of the copper balls can be minimized, leading to high reproducibility in determining the copper balls location, and small variation of the transmission characteristics. To verify the method’s effectiveness, a prototype having three vertically stacked multi-layered substrates with the excavated structure was fabricated. The excavation had a depth of 90 m and diameter of 0.45 mm. The copper balls used had a 0.3-mm diameter. Five samples were fabricated and then evaluated by X-ray images and S-parameter measurements. Based on the results, the reflection characteristics of the measurement were less than –10 dB from dc to 97 GHz in the best-case scenario, whereas the variation in the S-parameters was comparatively small up to 70 GHz. Moreover, the X-ray images showed relatively small copper balls location error. These results indicate that the proposed excavated structure is effective for millimeter-wave vertical interconnections using copper balls, in small wireless terminal applications.

    DOI: 10.1109/ACCESS.2019.2961624

  • Satoshi Yoshida and Kenjiro Nishikawa .  60-GHz-Band Dipole Array Antenna Using Copper Balls Interconnection With Excavated Structure .  2019 Antennas Design and Measurement International Conference (ADMInC)   111 - 113   2019.1060-GHz-Band Dipole Array Antenna Using Copper Balls Interconnection With Excavated StructureReviewed

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:IEEE  

    DOI: 10.1109/ADMInC47948.2019.8969339

  • Daisuke Kobuchi, Kentaro Matsuura, Yoshiaki Narusue, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki .  Smart Wireless Sensor System by Microwave Powering for Space-by-Wireless .  2019 IEEE MTT-S International Microwave SymposiumTH2G-2   1144 - 1147   2019.6Smart Wireless Sensor System by Microwave Powering for Space-by-WirelessReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/MWSYM.2019.8701077

  • Ayako Suzuki, Koshi Hamano, Hayato Shimizu, Hiroshi Okazaki, Yasunori Suzuki, Kunihiro Kawai, Atsushi Fukuda, and Kenjiro Nishikawa .  Wide dynamic range rectifier circuit with varactor tuning technique .  2019 IEEE Wireless Power Transfer Conference (WPTC2019)WPTC2-4   45 - 48   2019.6Wide dynamic range rectifier circuit with varactor tuning techniqueReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/WPTC45513.2019.9055633

  • Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki .  10W Class High Power C-Band Rectifier Using GaN HEMT .  2019 IEEE Wireless Power Transfer Conference (WPTC2019)WPP90   595 - 598   2019.610W Class High Power C-Band Rectifier Using GaN HEMTReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/WPTC45513.2019.9055692

  • Ryutaro Onimaru, Satoshi Yoshida, and Kenjiro Nishikawa .  60 GHz Dual-Polarized 2×2 Phased Array Antenna Using Copper Ball Interconnection (GSMM Student Paper Award) .  Global Symposium on Millimeter Wave 2019 (GSMM2019)FR2-3   65 - 68   2019.560 GHz Dual-Polarized 2×2 Phased Array Antenna Using Copper Ball Interconnection (GSMM Student Paper Award)Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

    DOI: 10.1109/GSMM.2019.8797657

  • K. Hamano, A. Suzuki, K. Nishikawa, and S. Kawasaki .  2.4/5.8GHz Dual-band Rectifiers for Aerospace Wireless Sensor and RF Energy Harvester System .  2019 IEEE Radio Wireless Symposium   WE2A-1   2019.12.4/5.8GHz Dual-band Rectifiers for Aerospace Wireless Sensor and RF Energy Harvester SystemReviewed

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:IEEE MTT-S  

  • Ayako Suzuki, Koshi Hamano, Kenjiro Nishikawa, and Shigeo Kawasaki .  WPT Area Expansion Technique Utilizing Magnetic MISO Beamformer .  2018 Asia-Pacific Microwave Symposium   46 - 48   2018.11WPT Area Expansion Technique Utilizing Magnetic MISO BeamformerReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEICE  

    DOI: 10.23919/APMC.2018.8617250

  • Kenjiro Nishikawa and Masashi Muraguchi .  Dual-Mode Frequency Tunable Planar Filter Design with Capacitive Coupling Technique .  2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)   1 - 3   2018.8Dual-Mode Frequency Tunable Planar Filter Design with Capacitive Coupling TechniqueInvited Reviewed

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/RFIT.2018.8524095

  • 吉田賢史,西川健二郎,川崎繁男 .  太陽光発電とマイクロ波電力伝送を併用したハイブリッドエナジーハーベスタの実験評価 .  電気学会論文誌D138 ( 7 ) 615 - 622   2018.7太陽光発電とマイクロ波電力伝送を併用したハイブリッドエナジーハーベスタの実験評価Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:電気学会  

  • S. Kawasaki, S. Yoshida, T. Nakaoka, and K. Nishikawa .  The C-Band HySIC RF energy harvester based on the space information, communication and energy harvesting technology .  2018 IEEE MTT-S International Microwave Symposium   2018.6The C-Band HySIC RF energy harvester based on the space information, communication and energy harvesting technologyReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

    DOI: 10.1109/MWSYM.2018.8439367

  • Yoshida Satoshi, Nishikawa Kenjiro, Kawasaki Shigeo .  Experimental Evaluation of Hybrid Energy Harvester by Simultaneous Use of Solar Power Generation and Microwave Power Transmission .  IEEJ Transactions on Industry Applications138 ( 7 ) 615 - 622   2018

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    Publisher:The Institute of Electrical Engineers of Japan  

    <p>In this paper, we demonstrate the experimental evaluation of system feasibility of a wireless sensor network system powered by a hybrid energy harvester inside a reusable vehicle test (RVT). The hybrid energy harvester consists of a solar cell and a microwave rectifier as a passive and an active powering method, respectively. Basic characteristic measurement of the hybrid energy harvester under line-of-sight conditions and multi-sensor operation under non-line-of-sight conditions were carried out using the real RVT which is covered by an aeroshell.</p>

    DOI: 10.1541/ieejias.138.615

  • Kenjiro Nishikawa, Masanobu Tsujii, Koshi Hamano, Kunihiro Kawai, Hiroshi Okazaki and Shoichi Narahashi .  Impact of LNA performances on Mobile Base Station Receiver (Invited) .  2017 IEEE International Microwave and RF Conference (IMaRC2017)   TU2A-1   2017.12Impact of LNA performances on Mobile Base Station Receiver (Invited)Invited Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • K. Hamano, R. Tanaka, S. Yoshida, H. Sakaki, K. Nishikawa, S. Kawasaki, K. Kawai, H. Okazaki, S. Narahashi, and N. Shinohara .  Wide Dynamic Range Rectifier Circuit with Sequential Power Delivery Technique .  47th European Microwave Conference (EuMC 2017)   1155 - 1158   2017.10Wide Dynamic Range Rectifier Circuit with Sequential Power Delivery TechniqueReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)  

  • Koshi Hamano, Keita Ohtsuka, Ryuya Tanaka, and Kenjiro Nishikawa .  4x1 Multi-Input Single-Output Magnetic Resonance Beamforming Wireless Power Transfer System .  2017 Int. Applied Computational Electromagnetics Society Symposium in China   TU3-D4   2017.84x1 Multi-Input Single-Output Magnetic Resonance Beamforming Wireless Power Transfer SystemReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Shigeo Kawasaki, Ryoko Kishikawa, Yuki Furuse, Toshihiro Nakaoka, Satoshi Yoshida, Kenjiro Nishikawa, and Harunobu Seita .  C-band energy harvester by Si RFICs with GaN diodes for microwave power transfer (Invited paper) .  2017 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)   147 - 149   2017.8C-band energy harvester by Si RFICs with GaN diodes for microwave power transfer (Invited paper)Invited Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida, Akihira Miyachi, Kenjiro Nishikawa, and Shigeo Kawasaki .  Design of Concurrent Dual-Band Rectifier with Harmonic Signal Control .  2017 IEEE MTT-S International Microwave Symposium   1042 - 1045   2017.6Design of Concurrent Dual-Band Rectifier with Harmonic Signal Control Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE MTT-S  

  • Ryoko Kishikawa, Seita Harunobu, Akihira Miyachi, Yuki Furuse, Toshiya Nakaoka, Satoshi Yoshida, Kenjiro Nishikawa, Masahiro Horibe, and Shigeo Kawasaki .  Hybrid Semiconductor Integrated Recitifer for Wireless Power Transmission into Spacecraft .  2017 IEEE Wireless Power Transfer Conference (WPTC2017)   2017.5Hybrid Semiconductor Integrated Recitifer for Wireless Power Transmission into SpacecraftReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Hideshi Kakiuchi, Yuta Sakiyama, and Kenjiro Nishikawa .  On-chip Grounded CPW Line Model with Anomalous Skin Effect in THz Band (Best Student Paper Award 3rd Prize ) .  38th Progress In Electromagnetics Research Symposium (PIERS2017)   1616 - 1619   2017.5On-chip Grounded CPW Line Model with Anomalous Skin Effect in THz Band (Best Student Paper Award 3rd Prize )Reviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:The Electromagnetics Academy  

  • Satoshi Yoshida, Koshi Hamano, Akihira Miyachi, Kenjiro Nishikawa, and Shigeo Kawasaki .  Evaluation of a C-Band Rectifier Using Si Substrate for HySIC Application .  2017 IEEE Wireless Power Transfer Conference (WPTC2017)   2017.5Evaluation of a C-Band Rectifier Using Si Substrate for HySIC ApplicationReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Ryousuke Kashimura, Tomohiro Seki, Koichi Sakaguchi, and Kenjiro Nishikawa .  Rectifying Circuit with High Impedance Microstrip Line for Wide Dynamic Range Characteristics .  2017 IEEE Wireless Power Transfer Conference (WPTC2017)   2017.5Rectifying Circuit with High Impedance Microstrip Line for Wide Dynamic Range CharacteristicsReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • S. Yoshida, K. Maruyama, D. Matsushita, K. Nishikawa .  UHF-band meander line antenna and 60-GHz-band patch antenna with single feed structure for 5G terminal application .  2016 International Symposium on Antennas and Propagation (ISAP)   1044 - 1045   2016.11UHF-band meander line antenna and 60-GHz-band patch antenna with single feed structure for 5G terminal applicationReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)  

  • H. Shimamura, R. Tanaka, H. Sakaki, S. Yoshida, K. Nishikawa, and S. Kawasaki .  Impact of Symbol Rate and Roll-off Factor on Rectifier RF-DC Conversion Efficiency for WiCoPT System .  46th European Microwave Conference (EuMC 2016)   934 - 937   2016.10Impact of Symbol Rate and Roll-off Factor on Rectifier RF-DC Conversion Efficiency for WiCoPT SystemReviewed

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/EuMC.2016.7824498

  • K. Hamano, R. Tanaka, S. Yoshida, A. Miyachi, K. Nishikawa, and S. Kawasaki .  Design of Dual-Band Rectifier Using Microstrip Spurline Notch Filter .  2016 IEEE Radio Frequency Integrated Circuit Conference (2016RFIT)   1 - 3   2016.8Design of Dual-Band Rectifier Using Microstrip Spurline Notch FilterReviewed

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    DOI: 10.1109/RFIT.2016.7578204

  • S. Yoshida, A. Miyachi, R. Kishikawa, M. Horibe, K. Nishikawa, and S. Kawasaki .  C Band GaN Diode Rectifier with 3W DC Output for High Power Microwave Power Transmission Applications .  2016 IEEE MTT-S International Microwave Symposium (2016IMS)   THIF2-29   2016.5C Band GaN Diode Rectifier with 3W DC Output for High Power Microwave Power Transmission ApplicationsReviewed

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  • T. Kuwahara, K. Hamano, R. Tanaka, S. Yoshida, K. Nishikawa, T. Seki, and S. Kawasaki .  Short-Range 4x4 MIMO Wireless Communication and Power Transfer System .  2016 IEEE Wireless Power Transfer Conference (WPTC2016)   SessionV-4   2016.5Short-Range 4x4 MIMO Wireless Communication and Power Transfer SystemReviewed

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    DOI: 10.1109/WPT.2016.7498863

  • 榊 裕翔, 福田 豪, 吉田 賢史, 西川 健二郎, 川崎 繁男, 河合 邦浩, 岡崎 浩司, 楢橋 祥一 .  変調信号入力時における整流回路変換効率解析 .  電子情報通信学会 和文論文誌CJ98-C ( 12 ) 383 - 392   2015.12変調信号入力時における整流回路変換効率解析Reviewed

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  • K. Nishikawa and H. Sakai .  Impact of Modulation Scheme on Rectifier RF-DC Efficiency and Optimal Signal Control Technique (Invited) .  2015 IEEE International Microwave and RF Conference (IMaRC2015)   SAT2A-1   2015.12Impact of Modulation Scheme on Rectifier RF-DC Efficiency and Optimal Signal Control Technique (Invited)Invited Reviewed

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  • H. Sakaki, S. Yoshida, K. Nishikawa, and S. Kawasaki .  Modulated Scheme and Input Power Impact on Rectifier RF-DC Efficiency for WiCoPT System .  45th European Microwave Conference (EuMC 2015)   60 - 63   2015.9Modulated Scheme and Input Power Impact on Rectifier RF-DC Efficiency for WiCoPT SystemReviewed

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  • S. Yoshida, N. Hasegawa, Y. Kobayashi, A. Miyachi, H. Sakaki, K. Nishikawa, Y. Moriguchi, S. Furuta, C. Maekawa, I. Urushibara, and S. Kawasaki .  Wireless Sensor Network System with Wireless Powering by Time Division Operation at 5.8 GHz in a Reusable Rocket .  2015 IEEE International Symposium on Radio Frequency Integration Technology (RFIT) ( FR4A-3 ) 232 - 234   2015.8Wireless Sensor Network System with Wireless Powering by Time Division Operation at 5.8 GHz in a Reusable RocketReviewed

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  • R. Takamori, K. Nishikawa, Y. Maru, and S. Kawasaki .  Interference Analysis of Dual-band WiCoPT System for Wireless Sensor Network in RVT .  2014 Asia-Pacific Microwave Conf. Proc.   167 - 169   2014.11Interference Analysis of Dual-band WiCoPT System for Wireless Sensor Network in RVTReviewed

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  • H. Sakaki, F. Kuroiwa, M.Tsujii, M. Muraguchi, K. Nishikawa, K. Kawai, H. Okazaki, and S. Narahashi .  A Novel Wide Dynamic Range Rectifier Design For Wireless Power Transfer System .  2014 Asia-Pacific Microwave Conf. Proc.   1208 - 1210   2014.11A Novel Wide Dynamic Range Rectifier Design For Wireless Power Transfer SystemReviewed

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  • H. Sakaki, and K. Nishikawa .  Broadband Rectifier Design based on Quality Factor of Input Matching Circuit .  2014 Asia-Pacific Microwave Conf. Proc.   1205 - 1207   2014.11Broadband Rectifier Design based on Quality Factor of Input Matching CircuitReviewed

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  • H. Sakaki, T. Kuwahara, S. Yoshida, S. Kawasaki, and K. Nishikawa .  Analysis of Rectifier RF-DC Power Conversion Behavior with QPSK and 16QAM Input Signals for WiCoPT System .  2014 Asia-Pacific Microwave Conf. Proc.   603 - 605   2014.11Analysis of Rectifier RF-DC Power Conversion Behavior with QPSK and 16QAM Input Signals for WiCoPT SystemReviewed

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  • K. Nishikawa, H. Sakaki, R. Takamori, H. Seita, H. Amano, E. Leclerc, and Y. Takahashi .  Hot-via Interconnect Technology Towards THz Package .  2013 International Symposium on Interfacial Joining and Surface Technology (IJST2013) (Invited paper)   5 - 6   2013.11Hot-via Interconnect Technology Towards THz PackageReviewed

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  • H. Sakaki, S.Yoshida, K. Nishikawa, and S. Kawasaki .  Investigation of Rectifier Operation with Pulse signal .  2013 URSI Asia-Pacific Radio Science Conference ( CBH-5 )   2013.9Investigation of Rectifier Operation with Pulse signalReviewed

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  • R. Takamori, M. Kawasaki, H. Seita, H. Amano, E. Leclerc, K. Nishikawa, and S. Kawasaki .  Low-power 24-34 GHz Amplifier MMIC with Hot-via Interface .  2013 URSI Asia-Pacific Radio Science Conference ( DJ1a-2 )   2013.9Low-power 24-34 GHz Amplifier MMIC with Hot-via InterfaceReviewed

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  • S. Yoshida, G. Fukuda, Y. Kobayashi, S. Tashiro, T. Noji, K. Nishikawa, S. Kawasaki .  The C-Band MPT Rectifier Using a HEMT without Bonding-Wire Connection for a Space Health Monitoring System .  2013 IEEE MTT-S Wireless Power Transfer Conference Proc.   163 - 166   2013.5The C-Band MPT Rectifier Using a HEMT without Bonding-Wire Connection for a Space Health Monitoring SystemReviewed

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  • H. Sakaki, S. Yoshida, K. Nishikawa, S. Kawasaki .  Analysis of Rectifier Operation with FSK Modulated Input Signal .  2013 IEEE MTT-S Wireless Power Transfer Conference Proc.   187 - 190   2013.5Analysis of Rectifier Operation with FSK Modulated Input SignalReviewed

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  • R. Takamori, M. Kawasaki, H. Seita, K. Nishimori, N. Honma, K. Nishikawa, Y. Maru, S. Kawasaki .  Wireless Sensor Network in Reusable Vehicle Rocket and Low-power 20-30 GHz Amplifier MMIC .  2013 IEEE MTT-S Wireless Power Transfer Conference Proc.   96 - 99   2013.5Wireless Sensor Network in Reusable Vehicle Rocket and Low-power 20-30 GHz Amplifier MMICReviewed

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  • K. Kusumi, K. Nishimori, N. Honma, K. Nishikawa, Y. Maru, and S. Kawasaki .  Performance evaluation by MIMO transmission in small rocket .  2012 International Symposium on Antenna and Propagation Dig.   1228 - 1231   2012.8Performance evaluation by MIMO transmission in small rocketReviewed

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  • K. Hiraga, T. Seki, K. Nishimori, K. Nishikawa, I. Toyoda, and K. Uehara .  Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave .  IEICE Trans. Commun.E94-B ( 10 ) 2891 - 2895   2011.10Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-WaveReviewed

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  • T. Nishino, S. Kawasaki, N. Suematsu, and K. Nishikawa .  Microwave R&D inside Japan .  2011 European Microwave Conference Proceedings (Invited paper)   1328 - 1331   2011.10Microwave R&D inside JapanReviewed

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  • N. Shinohara, K. Nishikawa, T. Seki, and K. Hiraga .  Development of 24 GHz Rectennas for Fixed Wireless Access .  2011 URSI General Assembly   C06-3   2011.8Development of 24 GHz Rectennas for Fixed Wireless AccessReviewed

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  • K. Hatano, N. Shinohara, T. Mitani, K. Nishikawa, T. Seki, and K. Hiraga .  Development of class-F load rectenna .  2011 IEEE MTT-S International Microwave WorkshopSeries on Innovative Wireless Power Transmission   251 - 254   2011.5Development of class-F load rectennaReviewed

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  • T. Seki, K. Hiraga, K. Nishimori, and K. Nishikawa .  High Speed Parallel Data Transmission and Power Transmission Technology for Wireless Repeater System .  5th European Conference on Antennas and Propagation (EuCAP) Proc.   4077 - 4080   2011.4High Speed Parallel Data Transmission and Power Transmission Technology for Wireless Repeater SystemReviewed

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  • M. Kawashima, K. Nishikawa, S. Kawasaki, H. Seita, and Y. Omura .  A Distributed Upconverter MMIC with Composite Right/Left Handed Transmission Lines .  2010 European Microwave Integrated Circuits Conf.(EuMIC) Proc.   202 - 205   2010.10A Distributed Upconverter MMIC with Composite Right/Left Handed Transmission LinesReviewed

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  • Y. Yamaguchi, T. Kaho, M. Sasaki, K. Nishikawa, T. Seki, T. Nakagawa, K. Uehara, and K. Araki .  An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC .  IEICE Trans. ElectronicsVol. E93-C ( No. 7 ) 1119 - 1125   2010.7An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMICReviewed

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  • T. Kaho, Y. Yamaguchi, K. Nishikawa, I. Toyoda, and K. Uehara .  Ultra Compact RFIC Using Three-dimensional MMIC Technology .  2010 IEEE MTT-S Int. Microwave Symp. (IMS) Dig.   1304 - 1307   2010.6Ultra Compact RFIC Using Three-dimensional MMIC TechnologyReviewed

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  • K.Nishikawa, M. Kawashima, T. Seki, and K. Hiraga .  Broadband and Compact 3-dB MMIC Directional Coupler with Lumped Element .  2010 IEEE MTT-S Int. Microwave Symp. (IMS) Dig.   728 - 731   2010.6Broadband and Compact 3-dB MMIC Directional Coupler with Lumped ElementReviewed

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  • H. Nosaka, T. Kosugi, K. Nishikawa, I. Toyoda, and K. Murata .  Dynamic 1/4N Frequency Divider Using Delay-Controlled Even-Stage Buffers .  IEICE Trans. Electronics (in Japanese)Vol. J93-C ( No. 2 ) 66 - 74   2010.2Dynamic 1/4N Frequency Divider Using Delay-Controlled Even-Stage BuffersReviewed

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  • T. Seki, K. Nishimori, K. Hiraga, and K. Nishikawa .  Experimental Evaluation of High Speed parallel Data Transmission Technology for Wireless Repeate System .  2010 IEEE Radio and Wireless Symp. (RWS) Dig.   304 - 307   2010.1Experimental Evaluation of High Speed parallel Data Transmission Technology for Wireless Repeate SystemReviewed

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  • K. Hiraga, T. Seki, K. Nishimori, K. Nishikawa, and K. Uehara .  Ultra-High-Speed transmission over Millimeter-Wave using Microstrip Antenna Array .  2010 IEEE Radio and Wireless Symp. (RWS) Dig.   673 - 676   2010.1Ultra-High-Speed transmission over Millimeter-Wave using Microstrip Antenna ArrayReviewed

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  • K. Hiraga, T. Seki, K. Nishimori, K. Nishikawa, and K. Uehara .  Ultra High Speed Short-Range Parallel Transmission Using Millimeter-Wave Frequency Band .  2009 Asia-Pacific Microwave Conference (APMC) Dig.   1212 - 1215   2009.12Ultra High Speed Short-Range Parallel Transmission Using Millimeter-Wave Frequency BandReviewed

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  • T. Seki, K. Hiraga, K. Nishikawa, and K. Uehara .  Small Size Base Station Antenna using Phase Difference Feed for Narrowband Ubiquitous Communication .  2009 IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID (IMWS 2009) Proc.   G-4   2009.10Small Size Base Station Antenna using Phase Difference Feed for Narrowband Ubiquitous CommunicationReviewed

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  • H. Seita, K. Nishikawa, and S. Kawasaki .  Characteristics of a Wide-Band, High-Gain MMIC LNA operating at the Ka-Band .  Global Symposium on Millimeter Waves 2009 (GSMM 2009) Dig., Session11-2, 2009   Session 11-2   2009.4Characteristics of a Wide-Band, High-Gain MMIC LNA operating at the Ka-BandReviewed

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  • T. Seki, K. Hiraga, K. Nishikawa, and K. Uehara .  60-GHz Microstrip Antenna with Stacked Rings using Multi-Layer LTCC Substrate .  2009 European Conf. on Antennas and Propagation (EuCAP) Proc.   3793 - 3800   2009.360-GHz Microstrip Antenna with Stacked Rings using Multi-Layer LTCC SubstrateReviewed

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  • N. Honma, T. Seki, and K. Nishikawa .  Compact Planar Four-Sector Antenna Comprising Microstrip Yagi-Uda Arrays In a Square Configuration .  IEEE Antenna and Wireless Propagation Lettersvol. 7 ( No. 5 ) 596 - 598   2008.5Compact Planar Four-Sector Antenna Comprising Microstrip Yagi-Uda Arrays In a Square ConfigurationReviewed

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  • T. Seki, K. Nishikawa, and K. Okada .  60-GHz Multi-Layer Parasitic Microstrip Array Antenna with Stacked Rings using Multi-Layer LTCC Substrate .  2008 IEEE Radio and Wireless Symp. (RWS) Dig.   679 - 682   2008.160-GHz Multi-Layer Parasitic Microstrip Array Antenna with Stacked Rings using Multi-Layer LTCC SubstrateReviewed

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  • T. Kaho, M. Sasaki, Y. Yamaguchi, K. Nishikawa, and K. Uehara .  Miniaturized Multilayer Inductors on GaAs Three-dimensional MMIC .  2007 IEEE Korea-Japan Microwave Conference Dig.   149 - 152   2007.11Miniaturized Multilayer Inductors on GaAs Three-dimensional MMICReviewed

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  • M. Kawashima, Y. Yamaguchi, K. Nishikawa, and K. Uehara .  Broadband Low Noise Amplifier with High Linearity for Software-Defined Radios .  2007 European Microwave Integrated Circuits Conf.Proc.   243 - 246   2007.10Broadband Low Noise Amplifier with High Linearity for Software-Defined RadiosReviewed

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  • K. Nishikawa, T. Seki, I. Toyoda, and S. Kubota .  Compact 60-GHz LTCC Stlipline Parallel-coupled Bandpass Filter with Parasitic Elements for Millimeter-wave System-on-Package .  2007 IEEE MTT-S Int. Microwave Symp. Dig.   1649 - 1652   2007.6Compact 60-GHz LTCC Stlipline Parallel-coupled Bandpass Filter with Parasitic Elements for Millimeter-wave System-on-PackageReviewed

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  • T. Seki, K. Nishikawa, I. Toyoda, and S. Kubota .  Microstrip Array Antenna with Parasitic Elements Alternately Arranged Over Two Layers of LTCC Substrate for Millimeter-wave Applications .  2007 IEEE Radio and Wireless Symp. Dig.   149 - 152   2007.1Microstrip Array Antenna with Parasitic Elements Alternately Arranged Over Two Layers of LTCC Substrate for Millimeter-wave ApplicationsReviewed

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  • N. Honma, T. Seki, K. Nishikawa, K. Tsunekawa, and K. Sawaya .  Compact Six-sector Antenna Employing Three Intersecting Dual Beam Microstrip Yagi-Uda Arrays with Common Director .  IEEE Trans. Antenna and Prop.Vol. 54 ( No. 11 ) 3055 - 3062   2006.11Compact Six-sector Antenna Employing Three Intersecting Dual Beam Microstrip Yagi-Uda Arrays with Common DirectorReviewed

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  • T. Seki, K. Nishikawa, Y. Suzuki, I. Toyoda, and K. Tsunekawa .  60 GHz Monolithic LTCC Module for Wireless Communication Systems .  2006 European Microwave Conf. Proc.   1671 - 1674   2006.1060 GHz Monolithic LTCC Module for Wireless Communication SystemsReviewed

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  • K. Nishikawa, T. Enoki, S. Sugitani, and I. Toyoda .  0.4 V, 5.6 mW InP HEMT V-band Low-Noise Amplifier MMIC .  2006 IEEE MTT-S Int. Microwave Symp. Dig.   810 - 813   2006.60.4 V, 5.6 mW InP HEMT V-band Low-Noise Amplifier MMICReviewed

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  • T. Tanaka, K. Nishikawa, and M. Aikawa .  Miniaturized Branch-Line Hybrid Circuit Using 3-D MMIC Quasi-Distributed TFMS Lines .  IEICE Trans.Electronics (in Japanese)Vol.J89-C ( No.5 ) 249 - 258   2006.5Miniaturized Branch-Line Hybrid Circuit Using 3-D MMIC Quasi-Distributed TFMS LinesReviewed

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  • T. Seki, K. Nishikawa, I. Toyoda, and K. Tsunekawa .  Millimeter-wave High-Efficiency Multilayer Parasitic Microstrip Antenna Array for System-on-package .  NTT Technical ReviewVol. 3 ( No. 9 ) 33 - 41   2005.9Millimeter-wave High-Efficiency Multilayer Parasitic Microstrip Antenna Array for System-on-packageReviewed

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  • N. Honma, K. Nishimori, T. Seki, K. Nishikawa, and K. Tsunekawa .  Triple Polarization Antenna Employing Capacitor Loaded Monopole Antenna and Notch Antenna for MIMO Systems .  2005 Int. Symp. on Antenna and Propagation (ISAP2005) Dig.   367 - 370   2005.8Triple Polarization Antenna Employing Capacitor Loaded Monopole Antenna and Notch Antenna for MIMO SystemsReviewed

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  • T. Seki, N. Honma, K. Nishikawa, and K. Tsunekawa .  Stacked Microstrip Antenna Employing tapered Multi-Ring Elements .  2005 Int. Symp. on Antenna and Propagation (ISAP2005) Dig.   1141 - 1144   2005.8Stacked Microstrip Antenna Employing tapered Multi-Ring ElementsReviewed

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  • N. Honma, T. Seki, K. Nishikawa, and K. Tsunekawa .  Beam-Scanning Performance of Ku-Band Low Loss MUSCAT Array with Open Stubs .  2005 IEEE AP-S Symp. Dig.   309 - 402   2005.7Beam-Scanning Performance of Ku-Band Low Loss MUSCAT Array with Open StubsReviewed

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  • T. Seki, N. Honma, K. Nishikawa, K. Tsunekawa .  High Efficiency Multi-Layer Parasitic Microstrip Antenna Array on TEFLON Substrate .  IEEE Trans. Microwave Theory and Tech.Vol. 53 ( No.6 ) 2101 - 2106   2005.6High Efficiency Multi-Layer Parasitic Microstrip Antenna Array on TEFLON SubstrateReviewed

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  • N. Honma, T. Seki, K. Nishikawa, K. Tsunekawa, and K. Sawaya .  Series Fed Beam Scanning Antenna Employing Multi-Stage Configured Microstrip Antennas with Tunable Reactance Devices .  IEICE Trans. CommunicationsVol. E88-B ( No. 6 ) 2297 - 2304   2005.6Series Fed Beam Scanning Antenna Employing Multi-Stage Configured Microstrip Antennas with Tunable Reactance DevicesReviewed

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  • T. Seki, K. Nishikawa, N. Honma, and K. Tsunekawa .  Novel Microstrip Antenna Employing Stacked Rings on Multi-Layer Ceramic Substrate for mm-Wave Applications .  2005 IEEE MTT-S Int. Microwave Symp. Dig.   1405 - 1408   2005.6Novel Microstrip Antenna Employing Stacked Rings on Multi-Layer Ceramic Substrate for mm-Wave ApplicationsReviewed

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  • K. Nishikawa, T. Enoki, S. Sugitani, I. Toyoda, and K. Tsunekawa .  Low-voltage and Broadband V-band InP HEMT Frequency Doubler MMIC .  2005 IEEE MTT-S Int. Microwave Symp. Dig.   45 - 48   2005.6Low-voltage and Broadband V-band InP HEMT Frequency Doubler MMICReviewed

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  • T. Seki, N. Honma, K. Nishikawa, and K. Tsunekawa .  A 60-GHz Multi-Layer Parasitic Microstrip Array Antenna on LTCC Substrate for System-on-Package .  IEEE Wireless and Component LettersVol. 15 ( No. 5 ) 339 - 341   2005.5A 60-GHz Multi-Layer Parasitic Microstrip Array Antenna on LTCC Substrate for System-on-Package Reviewed

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  • T. Seki, N. Honma, K. Nishikawa, and K. Tsunekawa .  High Efficiency Multi-Layer Parasitic Microstrip Array Antenna on TEFLON Substrate .  2004 European Microwave Conf. Proc., pp. 829-833   829 - 833   2004.10High Efficiency Multi-Layer Parasitic Microstrip Array Antenna on TEFLON SubstrateReviewed

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  • T. Seki, N. Honma, K. Nishikawa, and K. Tsunekawa .  Design of High Efficiency Multi-Layer Parasitic Microstrip Array Antenna .  2004 Int. Symp. on Antenna and Propagation (ISAP04), Dig.   393 - 396   2004.8Design of High Efficiency Multi-Layer Parasitic Microstrip Array AntennaReviewed

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  • N. Honma, T. Seki, K. Nishikawa, and K. Tsunekawa .  New MUSCAT Array with Parasitic Elements Toward Wide Scanning Range .  2004 Int. Symp. on Antenna and Propagation (ISAP04) Dig.   1217 - 1220   2004.8New MUSCAT Array with Parasitic Elements Toward Wide Scanning RangeReviewed

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  • N. Honma, T. Seki, K. Nishikawa, and K. Tsunekawa .  Series-fed beam-scanning array antenna comprising multi-stage configured microstrip antenna with tunable reactance devices and open stubs .  2004 IEEE AP-S Symp. Dig.   3980 - 3983   2004.7Series-fed beam-scanning array antenna comprising multi-stage configured microstrip antenna with tunable reactance devices and open stubsReviewed

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  • T. Tanaka, K. Nishikawa, and M. Aikawa .  Miniaturized 90° Hybrid Circuit Using Quasi-Distributed TFMS Line .  2004 IEEE MTT-S Int. Microwave Symp. Dig.   331 - 334   2004.6Miniaturized 90° Hybrid Circuit Using Quasi-Distributed TFMS LineReviewed

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  • Kenjiro Nishikawa .  Highly Integrated and Multi Functional Three-Dimensional MMIC Technology .      2004.1Highly Integrated and Multi Functional Three-Dimensional MMIC TechnologyReviewed

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  • M. Kawashima, K. Nishikawa, T. Nakagawa, and K. Araki .  Multi-Band Amplifier Using FET Bias Controlled Matching Circuit .  IEICE Trans. Electronics (in Japanese)Vol. J87-C ( No.1 ) 54 - 60   2004.1Multi-Band Amplifier Using FET Bias Controlled Matching CircuitReviewed

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  • K. Nishikawa, B. Piernas, T. Nakagawa, K. Araki, and K. Cho .  V-band Fully-integrated TX/RX Single-chip 3-D MMICs Using Commercial GaAs pHEMT Technology For High-speed Wireless Applications .  2003 IEEE GaAs IC Symp. Dig.   97 - 100   2003.11V-band Fully-integrated TX/RX Single-chip 3-D MMICs Using Commercial GaAs pHEMT Technology For High-speed Wireless ApplicationsReviewed

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  • T. Seki, K. Nishikawa, and K. Cho .  Multi-Layer Parasitic Microstrip Array Antenna on LTCC Substrate for Millimeter-Wave System-on-Package .  2003 European Microwave Conf. Proc.   1393 - 1396   2003.10Multi-Layer Parasitic Microstrip Array Antenna on LTCC Substrate for Millimeter-Wave System-on-PackageReviewed

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  • M. Kawashima, T. Nakagawa, H. Hayashi, and K. Nishikawa .  A Wideband RF Chipset for Multi-band Direct Conversion Transceivers .  NTT Technical ReviewVol. 1 ( No. 4 ) 31 - 39   2003.7A Wideband RF Chipset for Multi-band Direct Conversion TransceiversReviewed

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  • B. Piernas, K. Nishikawa, T. Nakagawa, and K. Araki .  A Compact and Low Phase-noise Ka-band PHEMT-based VCO .  IEEE Trans. Microwave Theory Tech.Vol. 51 ( No. 3 ) 778 - 783   2003.3A Compact and Low Phase-noise Ka-band PHEMT-based VCOReviewed

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  • M. Kawashima, T. Nakagawa, H. Hayashi, K. Nishikawa, and K. Araki .  A 0.9-2.6 GHz Broadband RF Front-End Chip-Set with a Direct Conversion Architecture .  IEICE Trans. CommunicationsVol. E85-B ( No. 12 ) 2732 - 2740   2002.12A 0.9-2.6 GHz Broadband RF Front-End Chip-Set with a Direct Conversion ArchitectureReviewed

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  • M. Kawashima, H. Hayashi, T. Nakagawa, K. Nishikawa, and K. Araki .  A Multi-Band Direct Conversion Transceiver For Software-Defined Radios .  2002 Asia-Pacific Microwave Conf. Proc.   985 - 988   2002.11A Multi-Band Direct Conversion Transceiver For Software-Defined RadiosReviewed

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  • K. Nishikawa, K. Kamogawa, B. Piernas, T. Nakagawa, and K. Araki .  1-V Operation High-frequency Broadband Si 3-D MMICs .  2002 Asia-Pacific Microwave Conf. Proc.   693 - 696   2002.111-V Operation High-frequency Broadband Si 3-D MMICsReviewed

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  • T. Nakagawa, K. Nishikawa, and K. Araki .  60-Ghz band and 5-Ghz band Demodulator MMICs for More Than 1-Gbps FSK Transceivers .  2002 Asia-Pacific Microwave Conf. Proc.   839 - 842   2002.1160-Ghz band and 5-Ghz band Demodulator MMICs for More Than 1-Gbps FSK TransceiversReviewed

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  • T. Nakagawa, K. Nishikawa, B. Piernas, T. Seki, and K. Araki .  60-Ghz Antenna and 5-Ghz Demodulator MMICs for More Than 1-Gbps FSK Transceivers .  2002 European Microwave Conf. Proc.   929 - 932   2002.1060-Ghz Antenna and 5-Ghz Demodulator MMICs for More Than 1-Gbps FSK TransceiversReviewed

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  • K. Nishikawa, B. Piernas, T. Nakagawa, K. Araki, and K. Cho .  60-Ghz Single-chip Receiver 3-D MMIC using Commercial GaAs pHEMT Technology .  2002 Int. Conf. Solid State Devices and Materials Dig.   302 - 303   2002.960-Ghz Single-chip Receiver 3-D MMIC using Commercial GaAs pHEMT TechnologyReviewed

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  • B. Piernas, K. Nishikawa, K. Kamogawa, T. Nakagawa, and K. Araki .  High-Q Factor Three-dimensional Inductors .  IEEE Trans. Microwave Theory Tech.Vol. 50 ( No. 8 ) 1942 - 1949   2002.8High-Q Factor Three-dimensional InductorsReviewed

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  • T. Seki, K. Nishikawa, and K. Cho .  Novel Multi-layer Active Integrated Antenna Configuration Using Teflon Substrate .  2002 Int. Symp. on Antenna and Propagation (ISAPi-02) Dig.   105 - 108   2002.8Novel Multi-layer Active Integrated Antenna Configuration Using Teflon SubstrateReviewed

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  • B. Piernas, K. Nishikawa, K. Kamogawa, and I. Toyoda .  Three-Dimensional MMIC Technology on Silicon: Review and Recent Advances (Invited paper) .  IEICE Trans. ElectronicsVol. E85-C ( No. 7 ) 1394 - 1403   2002.7Three-Dimensional MMIC Technology on Silicon: Review and Recent Advances (Invited paper)Reviewed

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  • K. Nishikawa, B. Piernas, T. Nakagawa, and K. Araki .  Miniaturized and Broadband V-band Balanced Frequency Doubler for Highly Integrated 3-D MMIC .  2002 IEEE MTT-S Int. Microwave Symp. Dig.   351 - 354   2002.6Miniaturized and Broadband V-band Balanced Frequency Doubler for Highly Integrated 3-D MMICReviewed

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  • K. Nishikawa, B. Piernas, K. Kamogawa, T. Nakagawa, and K. Araki .  Compact LNA and VCO 3-D MMICs Using Commercial GaAs PHEMT Technology for V-band Single-chip TRX MMIC .  2002 IEEE MTT-S Int. Microwave Symp. Dig.   1717 - 1720   2002.6Compact LNA and VCO 3-D MMICs Using Commercial GaAs PHEMT Technology for V-band Single-chip TRX MMICReviewed

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  • M. Kawashima, H. Hayashi, T. Nakagawa, K. Nishikawa, and K. Araki .  A 0.9 -2.6 Ghz Broadband RF Front-end For Direct Conversion Transceivers .  2002 IEEE MTT-S Int. Microwave Symp., Dig.   927 - 930   2002.6A 0.9 -2.6 Ghz Broadband RF Front-end For Direct Conversion TransceiversReviewed

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  • B. Piernas, K. Nishikawa, T. Nakagawa H. Hayashi, and K. Araki .  Analysis of Balanced Active Doubler for Broad-Band Operation-The Frequency-Tuning Concept .  IEEE Trans. Microwave Theory Tech.Vol. 50 ( No. 4 ) 1120 - 1126   2002.4Analysis of Balanced Active Doubler for Broad-Band Operation-The Frequency-Tuning ConceptReviewed

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  • K. Nishikawa, K. Kamogawa, B. Piernas, M. Tokumitsu, I. Toyoda, S. Sugitani, and K. Araki .  Three-dimensional MMIC Technology for Low-cost Millimeter-wave MMICs .  IEEE Journal of Solid-state CircuitsVol. 36 ( No. 9 ) 1351 - 1359   2001.9Three-dimensional MMIC Technology for Low-cost Millimeter-wave MMICsReviewed

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  • M. Nakatsugawa and K. Nishikawa .  A Novel Configuration for 1:N Multiport Power Dividers Using Series/Parallel Transmission-Line Division and a Polyimide/Alumina-Ceramic Structure for HPA Module Implementation .  IEEE Trans. Microwave Theory Tech.Vol. 49 ( No. 6 ) 1187 - 1193   2001.6A Novel Configuration for 1:N Multiport Power Dividers Using Series/Parallel Transmission-Line Division and a Polyimide/Alumina-Ceramic Structure for HPA Module ImplementationReviewed

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  • B. Piernas, K. Nishikawa, K. Kamogawa, T. Nakagawa, and K. Araki .  Improved Three-Dimensional GaAs Inductors .  2001 IEEE MTT-S Int. Microwave Symp. Dig.   189 - 192   2001.5Improved Three-Dimensional GaAs InductorsReviewed

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  • K. Nishikawa, K. Kamogawa, T. Nakagawa, B. Piernas, and K. Araki .  Broadband and Compact SiBJT Balanced Up-converter MMIC Using Si 3-D MMIC Technology .  2001 IEEE MTT-S Int. Microwave Symp. Dig.   87 - 90   2001.5Broadband and Compact SiBJT Balanced Up-converter MMIC Using Si 3-D MMIC TechnologyReviewed

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  • K. Nishikawa, S. Sugitani, K. Inoue, T. Ishii, K. Kamogawa, B. Piernas, and K. Araki .  Low-loss Passive Components on BCB-based 3-D MMIC Technology .  2001 IEEE MTT-S Int. Microwave Symp. Dig.   1881 - 1884   2001.5Low-loss Passive Components on BCB-based 3-D MMIC TechnologyReviewed

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  • B. Piernas, H. Hayashi, K. Nishikawa, and T. Nakagawa .  A New Family of Broadband Phase Compensated 180o Rat-race Hybrid Type Power Divider .  2000 IEEE Topical Symp. on Millimeter Wave Dig.   153 - 156   2000.11A New Family of Broadband Phase Compensated 180o Rat-race Hybrid Type Power DividerReviewed

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  • H. Hayashi, B. Piernas, K. Nishikawa, and T. Nakagawa .  A Miniaturized 45°Power Divider Using Three-dimensional MMIC Technology .  Electronics LettersVol.36 ( No.21 ) 1785 - 1786   2000.10A Miniaturized 45°Power Divider Using Three-dimensional MMIC TechnologyReviewed

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  • K. Nishikawa, K. Kamogawa, M. Tokumitsu, I. Toyoda, S. Sugitani, and K. Araki .  Three-dimensional MMIC Technology For Low-cost Millimeter-wave MMICs (Invited paper) .  2000 IEEE GaAs IC Symp. Dig., pp. 153-156   153 - 156   2000.10Three-dimensional MMIC Technology For Low-cost Millimeter-wave MMICs (Invited paper)Reviewed

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  • B. Piernas, H. Hayashi, K. Nishikawa, K. Kamogawa, and T. Nakagawa .  A Broadband and Miniaturized V-Band PHEMT Frequency Doubler .  IEEE Microwave and Guided Wave LettersVol. 10 ( No. 7 ) 276 - 278   2000.7A Broadband and Miniaturized V-Band PHEMT Frequency DoublerReviewed

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  • B. Piernas, H. Hayashi, K. Nishikawa, and T. Nakagawa .  Improvement of the design of 180o rat-race hybrid .  Electronics LettersVol. 36 ( No. 12 ) 1035 - 1036   2000.6Improvement of the design of 180o rat-race hybridReviewed

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  • K. Nishikawa, K. Kamogawa, T. Nakagawa, and M. Tanaka .  Low-Voltage C-Band SiBJT Single-Chip Receiver MMIC Based on Si 3-D MMIC Technology .  IEEE Microwave and Guided Wave LettersVol. 10 ( No. 6 ) 248 - 250   2000.6Low-Voltage C-Band SiBJT Single-Chip Receiver MMIC Based on Si 3-D MMIC TechnologyReviewed

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  • K. Kamogawa, K. Nishikawa, I. Toyoda, M. Tokumitsu, M. Hirano, T. Nakagawa, and M. Muraguchi .  New Methodology for Microwave/Millimeter-wave MMIC Development .  2000 IEEE MTT-S Int. Microwave Symp. Dig.   1913 - 1916   2000.6New Methodology for Microwave/Millimeter-wave MMIC DevelopmentReviewed

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  • K. Nishikawa, K. Kamogawa, I. Toyoda, and M. Hirano .  Three-dimensional MMIC Technology and Application to Millimeter-wave MMICs and Silicon MMICs (Invited paper) .  GHz 2000 Symposium Proc.   207 - 210   2000.3Three-dimensional MMIC Technology and Application to Millimeter-wave MMICs and Silicon MMICs (Invited paper)Reviewed

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  • K. Nishikawa, S. Sugitani, K. Inoue, K. Kamogawa, T. Tokumitsu, I. Toyoda, and M. Tanaka .  A Compact V-Band 3-D MMIC Single-Chip Down-Converter Using Photosensitive BCB Dielectric Film .  IEEE Trans. Microwave Theory Tech.Vol. 47 ( No.12 ) 2512 - 2518   1999.12A Compact V-Band 3-D MMIC Single-Chip Down-Converter Using Photosensitive BCB Dielectric FilmReviewed

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  • I. Toyoda, M. Hirano, M. Tokumitsu, Y. Imai, K. Nishikawa, K. Kamogawam, and S. Sugitani .  Quick Development of Multifunctional MMICs Using Three-Dimensional Masterslice MMIC Technology (Invited paper) .  IEICE Trans. ElectronicsVol. E82-C ( No. 11 ) 1951 - 1959   1999.11Quick Development of Multifunctional MMICs Using Three-Dimensional Masterslice MMIC Technology (Invited paper)Reviewed

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  • K. Nishikawa, K. Kamogawa, K. Inoue, K. Onodera, T. Tokumitsu, M. Tanaka, I. Toyoda, and M. Hirano .  Miniaturized Millimeter-wave Masterslice 3DMMIC Amplifier and Mixer .  IEEE Trans. Microwave Theory Tech.Vol. 47 ( No. 9 ) 1856 - 1862   1999.9Miniaturized Millimeter-wave Masterslice 3DMMIC Amplifier and MixerReviewed

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  • K. Kamogawa, K. Nishikawa, and M. Tanaka .  A Novel High-Q Inductor Based on Si 3D MMIC Technology and Its Applications .  1999 IEEE MTT-S Int. Microwave Symp. Dig.   489 - 492   1999.6A Novel High-Q Inductor Based on Si 3D MMIC Technology and Its ApplicationsReviewed

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  • K. Nishikawa, K. Kamogawa, I.Toyoda, T. Tokumitsu, and M. Tanaka .  C-Band Si 3D MMIC Transceiver for Wireless Applications .  1999 IEEE Radio Frequency Integrated Circuits Symp. Dig.   35 - 38   1999.6C-Band Si 3D MMIC Transceiver for Wireless ApplicationsReviewed

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  • K. Nishikawa, S. Sugitani, K. Inoue, K. Kamogawa, T. Tokumitsu, I. Toyoda, and M. Tanaka .  A Compact V-Band 3DMMIC Single-Chip Down-Converter Using Photosensitive BCB Dielectric Film .  1999 IEEE MTT-S Int. Microwave Symp. Dig.   131 - 134   1999.6A Compact V-Band 3DMMIC Single-Chip Down-Converter Using Photosensitive BCB Dielectric FilmReviewed

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  • T. Tokumitsu, K. Kamogawa, K. Nishikawa, and M. Tanaka .  A Line-Unified-FET Combiner/Divider with Built-In 3D Amplifier (LUFET-AMP) and Its Application to a Very Small Injection-Locked Oscillator .  1999 IEEE MTT-S Int. Microwave Symp. Dig.   21 - 24   1999.6A Line-Unified-FET Combiner/Divider with Built-In 3D Amplifier (LUFET-AMP) and Its Application to a Very Small Injection-Locked OscillatorReviewed

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  • K. Nishikawa, I. Toyoda, and T. Tokumitsu .  Compact and Broadband Three-dimensional MMIC Balun .  IEEE Trans. Microwave Theory Tech.Vol. 47 ( No. 1 ) 96 - 98   1999.1Compact and Broadband Three-dimensional MMIC BalunReviewed

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  • K. Kamogawa, K. Nishikawa, I. Toyoda, T. Tokumitsu, and M. Tanaka .  A Novel High-Q and Wide-Frequency-Range Inductor Using Si 3-D MMIC Technology .  IEEE Microwave and Guided Wave LettersVol. 9 ( No. 1 ) 16 - 18   1999.1A Novel High-Q and Wide-Frequency-Range Inductor Using Si 3-D MMIC TechnologyReviewed

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  • K. Nishikawa, I. Toyoda, K. Kamogawa, T. Tokumitsu, and M. Tanaka .  Three-Dimensional Monolithic Microwave Integrated Circuit Technology For Fully Computer-Aided Design-Compatible Monolithic Microwave Integrated Circuit Development .  International Journal of RF and Microwave CAEVol. 8 ( No. 6 ) 498 - 506   1998.11Three-Dimensional Monolithic Microwave Integrated Circuit Technology For Fully Computer-Aided Design-Compatible Monolithic Microwave Integrated Circuit DevelopmentReviewed

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  • T. Tokumitsu, K. Kamogawa, K. Nishikawa, I. Toyoda, and M. Tanaka .  An Extremely Compact, Lossless MMIC Combiner/Divider Using Combination of Line-Unified-FET and Three-Dimensional MMIC Structures .  1998 European Microwave Conf. Proc.   421 - 426   1998.10An Extremely Compact, Lossless MMIC Combiner/Divider Using Combination of Line-Unified-FET and Three-Dimensional MMIC StructuresReviewed

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  • K. Inoue, K. Kamogawa, K. Nishikawa, K. Ikuta, K. Onodera, and M. Hirano .  Three-dimensional MMIC Interconnect Process Using Photosensitive BCB and STO Capacitors .  1998 European Microwave Conf. Proc.   642 - 647   1998.10Three-dimensional MMIC Interconnect Process Using Photosensitive BCB and STO CapacitorsReviewed

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  • K. Kamogawa, I. Toyoda, T. Tokumitsu, and K. Nishikawa .  Wide-Band Subharmonically Injection-Locked Oscillators Using Three-Dimensional MMIC Technology .  IEICE Trans. ElectronicsVol. E81-C ( No. 6 ) 848 - 855   1998.6Wide-Band Subharmonically Injection-Locked Oscillators Using Three-Dimensional MMIC TechnologyReviewed

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  • I. Toyoda, K. Nishikawa, K. Kamogawa, C. Yamaguchi, M. Hirano, K. Onodera, and T. Tokumitsu .  X-band Si Bipolar Transistor Single-chip Transceiver Using Three-dimensional MMIC Technology .  1998 IEEE Radio Frequency Integrated Circuits Symp. Dig.   289 - 292   1998.6X-band Si Bipolar Transistor Single-chip Transceiver Using Three-dimensional MMIC TechnologyReviewed

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  • K. Nishikawa, K. Kamogawa, K. Inoue, K. Onodera, M. Hirano, T. Tokumitsu, and I. Toyoda .  Millimeter-wave Three-dimensional Masterslice MMICs .  1998 IEEE MTT-S Int. Microwave Symp. Dig.   313 - 316   1998.6Millimeter-wave Three-dimensional Masterslice MMICsReviewed

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  • K. Nishikawa, I. Toyoda, K. Kamogawa, and T. Tokumitsu .  Three-Dimensional Silicon MMIC's Operating up to K-band .  IEEE Trans. Microwave Theory Tech.Vol. 46 ( No. 5 ) 677 - 684   1998.5Three-Dimensional Silicon MMIC's Operating up to K-bandReviewed

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  • K. Nishikawa, I. Toyoda, K. Kamogawa, T. Tokumitsu, C. Yamaguchi, and M. Hirano .  K-Band Si MMIC Amplifier and Mixer using Three-Dimensional Masterslice MMIC Technology .  1998 IEEE Int. Solid-State Circuits Conf., Digest of Technical Papers   252 - 253   1998.2K-Band Si MMIC Amplifier and Mixer using Three-Dimensional Masterslice MMIC TechnologyReviewed

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  • I. Toyoda, K. Nishikawa, T. Tokumitsu, K. Kamogawa, C. Yamaguchi, M. Hirano and M. Aikawa .  Three-Dimensional Masterslice MMIC on Si Substrate .  IEEE Trans. Microwave Theory Tech.Vol.45 ( No.12 ) 2524 - 2529   1997.12Three-Dimensional Masterslice MMIC on Si SubstrateReviewed

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  • K. Kamogawa, K. Nishikawa, C. Yamaguchi, M. Hirano, I. Toyoda and T. Tokumitsu .  Wide-Tuning Range Si Bipolar VCO's Based on Three-Dimensional MMIC Technology .  IEEE Trans. Microwave Theory Tech.Vol.45 ( No.12 ) 2436 - 2442   1997.12Wide-Tuning Range Si Bipolar VCO's Based on Three-Dimensional MMIC TechnologyReviewed

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  • M. Nakatsugawa, A. Kanda, H. Okazaki, K. Nishikawa, and M. Muraguchi .  Line-Loss and Size Reduction Techniques for Millimeter-Wave RF Front-End Boards by Using a Polyimide/Almina-Ceramic Multilayer Configuration .  IEEE Trans. Microwave Theory Tech.Vol. 45 ( No. 12 ) 2308 - 2315   1997.12Line-Loss and Size Reduction Techniques for Millimeter-Wave RF Front-End Boards by Using a Polyimide/Almina-Ceramic Multilayer ConfigurationReviewed

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  • T. Tokumitsu, K. Nishikawa, K. Kamogawa, I. Toyoda and K. Nishimura .  Three-Dimensional MMIC Technology and Application to Millimeter-Wave MMIC's .  1997 IEEE Topical Symp. Millimeter Waves Dig.   97 - 100   1997.11Three-Dimensional MMIC Technology and Application to Millimeter-Wave MMIC'sReviewed

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  • M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani and K. Yamasaki .  Three-Dimensional Interconnect Technology for Ultra-Compact MMICs .  Solid-State ElectronicsVol.41 ( No.10 ) 1451 - 1455   1997.10Three-Dimensional Interconnect Technology for Ultra-Compact MMICsReviewed

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  • T. Tokumitsu, M. Hirano, K. Yamasaki, C. Yamaguchi, K. Nishikawa and M. Aikawa .  Highly Integrated Three-Dimensional MMIC Technology Applied to Novel Masterslice GaAs- and Si-MMIC's .  IEEE Journal of Solid-State CircuitsVol.32 ( No.9 ) 1334 - 1341   1997.10Highly Integrated Three-Dimensional MMIC Technology Applied to Novel Masterslice GaAs- and Si-MMIC'sReviewed

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  • K. Nishikawa, I. Toyoda and T. Tokumitsu .  Miniaturized Three-Dimensional MMIC K-Band Upconverter .  IEEE Microwave and Guided Wave LettersVol.7 ( No.8 ) 230 - 232   1997.8Miniaturized Three-Dimensional MMIC K-Band UpconverterReviewed

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  • M. Nakatsugawa, A. Kanda, H. Okazaki, K. Nishikawa, and M. Muraguchi .  Line-Loss and Size Reduction Techniques for Millimeter-Wave RF Front-End Boards by Using a Polyimide/Almina-Ceramic Multilayer Configuration .  1997 IEEE MTT-S Int. Microwave Symp. Dig.   509 - 512   1997.5Line-Loss and Size Reduction Techniques for Millimeter-Wave RF Front-End Boards by Using a Polyimide/Almina-Ceramic Multilayer ConfigurationReviewed

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  • I. Toyoda, K. Nishikawa, T. Tokumitsu, K. Kamogawa, C. Yamaguchi, M. Hirano and M. Aikawa .  Three-Dimensional Masterslice MMIC on Si Substrate .  1997 IEEE Radio Frequency Integrated Circuits Symp. Dig.   113 - 116   1997.5Three-Dimensional Masterslice MMIC on Si SubstrateReviewed

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  • K. Kamogawa, K. Nishikawa, C. Yamaguchi, M. Hirano, I. Toyoda and T. Tokumitsu .  A Very Wide-Tuning Range 5-GHz-Band Si Bipolar VCO Using Three-Dimensional MMIC Technology .  1997 IEEE MTT-S Int. Microwave Symp. Dig.   1221 - 1224   1997.5A Very Wide-Tuning Range 5-GHz-Band Si Bipolar VCO Using Three-Dimensional MMIC TechnologyReviewed

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  • K. Onodera, M. Hirano, M. Tokumitsu, I. Toyoda, K. Nishikawa and T. Tokumitsu .  Folded U-Shaped Microwire Technology for Ultra-Compact Three-Dimensional MMIC's .  IEEE Trans. Microwave Theory Tech.Vol.44 ( No.12 ) 2347 - 2353   1996.12Folded U-Shaped Microwire Technology for Ultra-Compact Three-Dimensional MMIC'sReviewed

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  • K. Nishikawa, T. Tokumitsu and I. Toyodawa .  Miniaturized Wilkinson Power Divider Using Three-Dimensional MMIC Technology .  IEEE Microwave and Guided Wave LettersVol.6 ( No.10 ) 372 - 374   1996.10Miniaturized Wilkinson Power Divider Using Three-Dimensional MMIC TechnologyReviewed

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  • M. Aikawa, T. Tokumitsu and K. Nishikawa .  Advanced MMIC Technology for The Next Generation-3D MMICs and Master-Slice Technology (Invited paper) .  1996 European Microwave Conf. Proc.   748 - 753   1996.10Advanced MMIC Technology for The Next Generation-3D MMICs and Master-Slice Technology (Invited paper)Reviewed

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  • K. Nishikawa, K. Kamogawa, T. Tokumitsu, M. Aikawa, M. Hirano and S. Sugitani .  Highly-Integrated Three-Dimensional MMIC 20-GHz Single Chip Receiver .  1996 European Microwave Conf. Proc.   199 - 203   1996.10Highly-Integrated Three-Dimensional MMIC 20-GHz Single Chip ReceiverReviewed

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  • M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani and K. Yamasaki .  3-D Interconnect Technology for Ultra-Compact MMICs .  1996 Topical Workshop on Heterostructure Microelectronics Proc.   18 - 19   1996.83-D Interconnect Technology for Ultra-Compact MMICsReviewed

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  • T. Tokumitsu, K. Nishikawa, K. Kamogawa, I. Toyoda and M. Aikawa .  Three-Dimensional MMIC Technology for Multifunction Integration and Its Possible Application to Masterslice MMIC .  1996 IEEE Microwave and Millimeter-Wave Monolithic Circuits Symp., Dig.   85 - 88   1996.6Three-Dimensional MMIC Technology for Multifunction Integration and Its Possible Application to Masterslice MMICReviewed

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  • K. Nishikawa and T. Tokumitsu .  An MMIC Low-Distortion Variable-Gain Amplifier Using Active Feedback .  IEEE Trans. Microwave Theory Tech.Vol. 43 ( No. 12 ) 2812 - 2816   1995.12An MMIC Low-Distortion Variable-Gain Amplifier Using Active FeedbackReviewed

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  • M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani and K. Yamasaki .  Three-Dimensional Passive Circuit Technology for Ultra-Compact MMIC's .  IEEE Trans. Microwave Theory Tech.Vol.43 ( No.12 ) 2845 - 2850   1995.12Three-Dimensional Passive Circuit Technology for Ultra-Compact MMIC'sReviewed

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  • K. Nishikawa and T. Tokumitsu .  An MMIC Low-Distortion Variable-Gain Amplifier Using Active Feedback .  1995 IEEE MTT-S Int. Microwave Symp. Dig., pp. 1619-1622, 1995   1619 - 1622   1995.5An MMIC Low-Distortion Variable-Gain Amplifier Using Active FeedbackReviewed

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  • M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani and K. Yamasaki .  Three-Dimensional Passive Circuit Technology for Ultra-Compact MMICs .  1995 IEEE MTT-S Int. Microwave Symp. Dig.   1447 - 1450   1995.5Three-Dimensional Passive Circuit Technology for Ultra-Compact MMICsReviewed

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  • K. Kamogawa, I. Toyoda, K. Nishikawa, and T. Tokumitsu .  Characterization of a Monolithic Slot Antenna Using an Electro-Optic Sampling Technique .  IEEE Microwave and Guided Wave LettersVol.4 ( No.12 ) 414 - 416   1994.12Characterization of a Monolithic Slot Antenna Using an Electro-Optic Sampling TechniqueReviewed

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  • K. Nishikawa and T. Tokumitsu .  An MMIC Low-Distortion Variable-Gain Amplifier Using Active Feedback .  1994 Asia Pacific Microwave Conf. Proc.   245 - 248   1994.12An MMIC Low-Distortion Variable-Gain Amplifier Using Active FeedbackReviewed

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  • I. Toyoda, T. Tokumitsu and K. Nishikawa .  A Multilayer MMIC Filter Using Short-Line Meshes (SLMs) .  1994 European Microwave Conf. Proc.   443 - 447   1994.10A Multilayer MMIC Filter Using Short-Line Meshes (SLMs)Reviewed

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  • M. Hirano, Y. Imai, K. Nishikawa, M. Tokumitsu and K. Asai .  Three-Dimensional Passive Elements for Compact GaAs MMICs .  IEICE Trans. ElectronicsVol.E76-C ( No.6 ) 961 - 967   1993.6Three-Dimensional Passive Elements for Compact GaAs MMICsReviewed

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    Indian Journal of Dermatology   66 ( 6 )   692 - 693   2021.11

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    Language:Japanese   Publisher:Indian Journal of Dermatology  

    DOI: 10.4103/ijd.ijd_101_21

    Scopus

    PubMed

  • システムインテグレーション技術

    西川健二郎

    電子情報津信学会誌   93巻 ( 2号 )   113 - 117   2010.2

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  • マイクロ波・ミリ波システムオンパッケージ

    西川健二郎,関智弘

    電子情報津信学会誌   87巻 ( 11号 )   939 - 942   2004.11

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

Presentations

  • Daisuke Yasunobu and Kenjiro Nishikawa   Optimal Outphasing Angles in Various Class-operations of Outphasing PA  

    2024.3 

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    Event date: 2024.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Daisuke Yasunobu and Kenjiro Nishikawa   Outphasing angle variation of various class-operations on outphasing amplifiers   International conference

    Joint Workshop of Thailand-Japan MicroWave Workshop and Asian Wireless Power Transfer Workshop 2023 (TJMW&AWPT 2023), YE-09  2023.12  IEICE Electronics Society

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    Event date: 2023.12

    Language:English   Presentation type:Oral presentation (general)  

    Country:Thailand  

  • Daisuke YASUNOBU, Ren FURUMOTO, and Kenjiro NISHIKAWA   Operating Analysis of Doherty-Outphasing Hybrid Power Amplifier on Saturation Region  

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Takashi Maehata, Takashi Sumiyoshi, Ren Furumoto, and Kenjiro Nishikawa   Two-Power-Level Impedance Match for Out-phasing Amplifier  

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    Event date: 2022.12

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Ren FURUMOTO, Daisuke YASUNOBU, Kenjiro NISHIKAWA   Hybrid Power Amplifier for WiCoPT WPT System   International conference

    2022 Asian Wireless Power Transfer Workshop (AWPT2022) MO-3-O2  2022.12  IEICE Communication Society

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

  • Teruki YABUTA, Satoshi YOSHIDA, Kenjiro NISHIKAWA   Dual-band Wireless Power Transfer System for Simultaneous Wireless Information and Power Transfer System   International conference

    2022 Asian Wireless Power Transfer Workshop (AWPT2022) TU-5-O1  2022.12  IEICE Communication Society

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

  • Yotaro Watanabe, Shintaro Miya, Taishi Nara, Satoshi Yoshida, Shigeo Kawasaki, and Kenjiro Nishikawa   Experimental Evaluation of Power and Data Transfer Characteristics on Short-Range MIMO WiCoPT System   International conference

    2022 Asian Wireless Power Transfer Workshop (AWPT2022) TU-4-O5  2022.12  IEICE Communication Society

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

  • Mashiro Nakagawa, Ren Furumoto, Satoshi Yoshida, Kenjiro Nishikawa   28 GHz Higher Efficiency Rectifier utilizing Second Harmonic Signal   International conference

    2022 Asian Wireless Power Transfer Workshop (AWPT2022) MO-5-O2  2022.12  IEICE Communication Society

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

  • Yotaro Watanabe, Shintaro Miya, Taishi Nara, Satoshi Yoshida, Shigeo Kawasaki, and Kenjiro Nishikawa   Experimental Evaluation of Power and Data Transfer Characteristics on Short- Range MIMO WiCoPT System  

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Ren FURUMOTO, Daisuke YASUNOBU, and Kenjiro NISHIKAWA   Doherty-Outphasing Hybrid power amplifier for WiCoPT WPT system  

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Masahiro Nakagawa, Ren Furumoto, and Kenjiro Nishikawa   Optimal Wave Control Techniques for Maximizing Rectifier Efficiency   International conference

    2022 Thailand-Japan Microwave Student Workshop 2A-4  2020.12  IEICE Electronics Society

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    Event date: 2022.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:online  

  • Ren Furumoto, Daisuke Yasunobu, and Kenjiro Nishikawa   Investigation of Backoff on the Doherty-Outphasing Hybrid Power Amplifier   International conference

    2022 Thailand-Japan Microwave Student Workshop 3A-6  2020.12  IEICE Electronics Society

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    Event date: 2022.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:online  

  • 西川健二郎, 河口民雄   極低温 6 − 10GHz 帯 GaAs pHEMT LNA MMIC   Invited

    2022年電子情報通信学会ソサイエティ大会 CI-1-6  2022.9  電子情報通信学会

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  • 藪田暉規, 吉田 賢史, 西川 健二郎   近距離 4x4MIMO-WiCoPTシステムの電力伝送効率改善に関する検討2 周波数ワイヤレス情報電力同時伝送システム実現に向けたデュアルバンドWPTシステム  

    2022年電子情報通信学会ソサイエティ大会 B-20-18  2022.9  電子情報通信学会

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:online  

    研究会

  • 渡辺 瑛大郎, 宮 伸大朗, 奈良 太志, 吉田 賢史, 川崎 繁男, 西川 健二郎   近距離 4x4MIMO-WiCoPTシステムの電力伝送効率改善に関する検討  

    2022年電子情報通信学会ソサイエティ大会 B-20-17  2022.9  電子情報通信学会

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:online  

    研究会

  • Shunya ASAKURA, Yoshida SATOSHI, and Kenjiro NISHIKAWA   Design and Prototyping of a Single-Shunt Rectifier with 71 % Fractional Bandwidth  

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    Event date: 2022.7

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Teruki YABUTA, Kenjiro NISHIKAWA, Satoshi Yoshida   Dual-band Wireless Power Transfer System for Simultaneous Wireless Information and Power Transfer System  

    2022.6 

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    Event date: 2022.6

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Shintaro Miya, Youtaro Watanabe, Taishi Nara, Satoshi Yoshida, Shigeo kawasaki, and Kenjiro NISHIKAWA   Transmission Efficiency Improvement of Short-Range 4x4 MIMO-WiCoPT System  

    2022.4 

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    Event date: 2022.4

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Shunya Asakura, Shuhei Yamanokuchi, Satoshi Yoshida, and Kenjiro Nishikawa   Design and Analysis Results of a 1-GHz-Band Wideband Rectifier using a Multi- stage Type Matching Circuit   International conference

    2021 Thailand-Japan Microwave Student Workshop 1B-5  2020.12  IEICE Electronics Society

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    Event date: 2021.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:online  

  • 山之口周平,朝倉俊哉,吉田賢史,西川健二郎   多段マッチング回路による1 GHz 帯広帯域整流器の試作・評価  

    第74 回電気・情報関係学会九州支部連合大会 06-2A-05  2021.9  電子情報通信学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  • Ren FURUMOTO, Hayato SHIMIZU, Kenjiro NISHIKAWA   Design of 94GHz High Efficiency Rectifier MMIC  

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    Event date: 2021.7

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Yotaro WATANABE, Shintaro MIYA, Kenjiro NISHIKAWA   Improvement of Transfer Efficiency on MIMO WiCoPT System  

    2021.5 

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    Event date: 2021.5

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 原田知明,鈴木絢子,吉田賢史,西川健二郎   パルス波形制御4x1MISO磁気共鳴ビームフォーミングWPTに向けた基礎検討  

    2021年電子情報通信学会総合大会 B-20-15  2021.3  電子情報通信学会

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  • 清水駿斗,濱野皓志,西川健二郎   ミリ波ドハティ増幅器実現に向けたオフセット解析  

    2021年電子情報通信学会総合大会 C-2-19  2021.3  電子情報通信学会

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  • 朝倉俊哉,山之口周平,吉田賢史,西川健二郎   多段マッチング回路による1 GHz 帯広帯域整流器の回路設計  

    2021年電子情報通信学会総合大会 B-20-6  2021.3  電子情報通信学会

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  • Shintaro Miya,Taishi Nara, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   Experimental Evaluation of Short-Range 4x4 MIMO Wireless Communication and Power Transfer System  

    2020 Asian Wireless Power Transfer Workshop (AWPT2020) I-1  2020.12  IEICE Communication Society

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    Event date: 2020.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Taipei   Country:Taiwan, Province of China  

  • Tomoaki Harada, Ayako Suzuki, Satoshi Yoshida, and Kenjiro Nishikawa   Characteristics of 4x1 MISO Magnetic Resonance Beamforming WPT using Square and Pulse waves  

    2020 Asian Wireless Power Transfer Workshop (AWPT2020) A-2  2020.12  IEICE Communication Society

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    Event date: 2020.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Taipei   Country:Taiwan, Province of China  

  • Shintaro Miy,Taishi Nara, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   Multiport Measurement System Using 2-port VNA for MIMO WPT System   International conference

    2020 Thailand-Japan Microwave Student Workshop 1-2  2020.12  IEICE Electronics Society

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    Event date: 2020.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:online  

  • Investigation of Rectifier Operation with Harmonic Controlled Input Signals towards Pulse Modulation WiCoPT System  

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    Event date: 2020.4

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 薮田直人,後藤優花,小渕大輔,内海 淳,中岡俊裕,吉田賢史,西川健二郎,正光義則,川崎繁男   宇宙情報通信エネルギー技術のためのRF HySICデバイスに関する研究  

    2020電子情報通信学会総合大会,C-2-22  電子情報通信学会

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:広島  

    国内学会

  • 吉田賢史,小渕大輔,松浦賢太郎,西川健二郎,川崎繁男   K帯無線通信とC帯マイクロ波無線電力伝送の両立によるワイヤレスセンサシステムの検討  

    2020電子情報通信学会総合大会,C-2-75  電子情報通信学会

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:広島  

    国内学会

  • 6-1GHz Cryogenic GaAs pHEMT LNA MMIC  

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    Event date: 2019.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Takkuya Obara, Kenjiro Nishikawa, and Shigeo Kawasaki   Analysis and Optimization of GaN Diode Structure for High Power and High Efficiency Rectifier   International conference

    Thailand-Japan MicroWave 2019, YE-02  IEICE

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Hayato Shimizu, Ayako Suzuki, Koshi Hamano, and Kenjiro Nishikawa   Wide Dynamic Range Rectifier Circuit With Varactor Tuned Matching Circuit   International conference

    Thailand-Japan MicroWave 2019, YE-21  IEICE

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Runyuan Li and Kenjiro Nishikawa   Investigation of Rectifier Operation with Pulse Wave Signals   International conference

    Thailand-Japan MicroWave 2019, YE-19  IEICE

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • 鈴木絢子, 濱野皓志, 清水駿斗, 岡崎浩司, 鈴木恭宣, 河合邦浩, 福田敦史, 西川健二郎   バラクタを用いた広ダイナミックレンジ整流回路に関する研究  

    電子情報通信学会技術研究報告 MW研究会201903  電子情報通信学会技術研究報告 MW研究会

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    Event date: 2019.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:石垣  

    研究会

  • 林 大介 、鳥阪 綾子 、依田 憲佑 、志村 洸太 、藤田 智也 、小沢 真優 、宮城 祥吾 、濱野 皓志 、吉田 賢史 、?川 健二郎 、川﨑 繁男   固体化マリンレーダに用いる?生用高出力GaN増幅器と宇宙ICETによるSpace- by-Wirelessシステムへの展開  

    第19回 宇宙科学シンポジウム, P- 134  宇宙航空研究開発機構 宇宙科学研究所

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    Event date: 2019.1

    Language:English   Presentation type:Poster presentation  

    Venue:相模原  

  • 松浦 賢太郎 、小渕 大輔 、成末 義哲 、濱野 皓志 、鈴木 絢子 、吉田 賢史 、?川 健二郎 、森川 博之 、川﨑 繁男   RFエナジーハーベスタによるワイヤレスセンサの現況  

    第19回 宇宙科学シンポジウム, P- 135  宇宙航空研究開発機構 宇宙科学研究所

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    Event date: 2019.1

    Language:English   Presentation type:Poster presentation  

    Venue:相模原  

  • 吉田賢史,西川健二郎,川崎繁男   Ka 帯シングルシャント整流器の試作評価  

    電子情報通信学会技術研究報告 WPT2018-61, pp. 37–41  電子情報通信学会技術研究報告 WPT研究会

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    Event date: 2019.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    研究会

  • Evaluation of a Ka-Band Rectifier Using Simple Printed Circuit Board   Evaluation of a Ka-Band Rectifier Using Simple Printed Circuit Board   International conference

    2018 Asian Wireless Power Transfer Workshop (AWPT2018), SA-2-O2  IEICE

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    Event date: 2018.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Sendai, Miyagi, Japan  

  • 吉田賢史,西川健二郎,川崎繁男   ハイブリッドエナジーハーベスタにより駆動電力を供給するワイヤレスセンサの動作実験  

    電気学会・電子・情報・システム部門大会 GS8-4, pp. 1316–1321  電気学会

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    Event date: 2018.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:北海道  

  • 鈴木 絢子,濱野 皓志,西川健二郎   コイルアレイを用いたMISO無線電力伝送システムによる 伝送面積拡大に関する研究  

    電子情報通信学会技術研究報告 WPT研究会201806  電子情報通信学会技術研究報告 WPT研究会

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    Event date: 2018.7

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:北海道  

    研究会

  • Ryutaro Onimaru, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   Design of On-Chip Folded Dipole Antenna Using Wire Structure   International conference

    Thailand-Japan MicroWave 2018, YE-02  IEICE

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Ayako Suzuki, Koshi Hamano, Kenjiro Nishikawa, and Shigeo Kawasaki   WPT Area Expansion Technique with Magnetic MISO Beamformer   International conference

    Thailand-Japan MicroWave 2018, YE-21  IEICE

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Ryotaro Iwamoto, Yudai Iwashita, Kenjiro Nishikawa, Hiroyuki Kayano, Tamio Kawaguchi, and Noritsugu Shiokawa   Temperature Dependent GaAs pHEMT Liner Model for Cryogenic Low-noise Amplifier   International conference

    Thailand-Japan MicroWave 2018, YE-16  IEICE

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Keiichi Ishidera, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   Evaluation of a Frequency-Variable C-Band Rectifier Using a Varactor Diode   International conference

    Thailand-Japan MicroWave 2018, YE-10  IEICE

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • S. Yoshida, K. Nishikawa, and S. Kawasaki,   System Evaluation of a Completely Wireless Sensor Network and HySIC Rectifier   Invited International conference

    2018 IEEE MTT-S International Wireless Symposium  IEEE MTT-S

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    Event date: 2018.5

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Chengdu, China  

  • 石寺啓一,吉田賢史,西川健二郎,川崎繁男   HySIC 技術とバラクタダイオードを用いたC 帯周波数可変整流器の検討  

    電子情報通信学会技術研究報告 MW研究会201805  電子情報通信学会技術研究報告 MW研究会

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    Event date: 2018.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    研究会

  • 岩下雄大, 岩本遼太郎, 西川健二郎, 加屋野博幸, 河口民雄, 塩川教次   極低温低雑音増幅器実現に向けたGaAs pHEMT温度依存線形モデル  

    2018電子情報通信学会総合大会,C-2-17  電子情報通信学会

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    Event date: 2018.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    国内学会

  • 石寺啓一,吉田賢史,西川健二郎,川崎繁男   HySIC 技術とバラクタダイオードを用いたC 帯周波数可変整流器  

    2018電子情報通信学会総合大会,B-21-10  電子情報通信学会

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    Event date: 2018.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    国内学会

  • 川崎繁男,松浦賢太郎,成末義哲,吉田賢史,西川健二郎,中野裕貴,藤森和博,古田重樹,森口幸男,Hyoseong Park,中岡俊裕,森川博之   Space-by-Wireless 用スマートワイヤレスセンサシステム  

    2018電子情報通信学会総合大会,C-2-95  電子情報通信学会

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    Event date: 2018.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    国内学会

  • 濱野皓志,西川健二郎,川崎繁男   2周波同時入力における入力電力バランスの変化によるRF-DC変換効率の検討  

    電子情報通信学会技術研究報告 MW研究会201711  電子情報通信学会技術研究報告 MW研究会

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    Event date: 2017.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:宮古島  

    研究会

  • 垣内英志,西川健二郎   CBCPW線路におけるビアホールとグランド欠損構造を用いた高次モード抑圧技術  

    電子情報通信学会技術研究報告 MW研究会201711  電子情報通信学会技術研究報告 MW研究会

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    Event date: 2017.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:宮古島  

    研究会

  • 中野裕貴,吉田賢史,西川健二郎,藤森和博,川崎繁男   GaN デバイスを用いた無線電力伝送用小型アンプの検討  

    電子情報通信学会技術研究報告 MW研究会201709  電子情報通信学会技術研究報告 MW研究会

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    Event date: 2017.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

    研究会

  • 濱野皓志,田中隆也,西川健二郎   2.45GHz帯高調波制御整流回路(依頼講演)   Invited

    電子情報通信学会技術研究報告 WPT研究会201707  電子情報通信学会技術研究報告 WPT研究会

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    Event date: 2017.7

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京  

    研究会

  • Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida, Akihira Miyachi, Kenjiro Nishikawa, Shigeo Kawasaki   Impact of Spur Signal Control on RF-DC Conversion Efficiency for Concurrent Dual-band Rectifier   International conference

    Thailand-Japan MicroWave 2017, TH1-17  IEICE

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    Event date: 2017.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Sho Yasugi, Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   A C-Band Compact Rectifier Using 0.18um Si CMOS Process   International conference

    Thailand-Japan MicroWave 2017, FR3-4  IEICE

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    Event date: 2017.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Hideshi Kakiuchi and Kenjiro Nishikawa   High-order Mode Transmission Suppression Technique with Via-holes on THz Grounded CPW Line   International conference

    Thailand-Japan MicroWave 2017, FR1-17  IEICE

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    Event date: 2017.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Satoshi Yoshida, Kenjiro Nishikawa, and Shigeo Kawasaki   Feasibility evaluation of wireless powering sensor network system for a frequent reusable spacecraft   International conference

    Vietnam-Japan MicroWave 2017  IEICE

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    Event date: 2017.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:VietnamThailand  

    国際学会

  • 濱野 皓志, 田中 隆也, 吉田 賢史, 宮地 晃平, 西川 健二郎, 川崎 繁男   2 周波同時入力における高調波制御による デュアルバンド整流器の高効率化   Invited

    電子情報通信学会技術研究報告 WPT研究会201706  電子情報通信学会技術研究報告 WPT研究会

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    Event date: 2017.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島  

    研究会

  • 吉田 賢史, 今岡 航, 西川 健二郎   Ka 帯シングルシャント整流器に関する基礎検討   Invited

    電子情報通信学会技術研究報告 WPT研究会201706  電子情報通信学会技術研究報告 WPT研究会

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    Event date: 2017.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島  

    研究会

  • 田中隆也,濱野皓志,榊 裕翔,吉田賢史,西川健二郎, 河合邦浩,岡崎浩司,楢橋祥一,篠原真毅   入力インピーダンス制御による広ダイナミックレンジ整流回路の実証  

    2017電子情報通信学会総合大会,C-2-24  電子情報通信学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

    国内学会

  • 鹿志村亮介,関 智弘,坂口浩一,西川健二郎   直流帰還ループ装荷高効率レクテナの一検討   Invited

    2017電子情報通信学会総合大会,B-21-4  電子情報通信学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

    国内学会

  • 辻井優伸,濱野皓志,西川健二郎,河合邦浩,岡崎浩司,楢橋祥一   移動体通信基地局における高線形マルチバンドGaN HEMT LNA   Invited

    2017電子情報通信学会総合大会,C-2-89  電子情報通信学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

    国内学会

  • 吉田賢史,佐々木大貴,西川健二郎   基板掘り込み構造を適用した 60GHz帯基板間伝送線路  

    2017電子情報通信学会総合大会,C-2-34  電子情報通信学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

    国内学会

  • 濱野皓志,田中隆也,辻井優伸,吉田賢史,宮地晃平,西川健二郎,川崎繁男   2 周波同時入力における高調波制御によるデュアルバンド整流器の高効率化  

    2017電子情報通信学会総合大会,C-2-25  電子情報通信学会

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    Event date: 2017.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

    国内学会

  • Masanobu Tsujii, Koshi Hamano, Kenjiro Nishikawa, Kunihiro Kawai, Hiroshi Okazaki, Syoichi Narahashi   Broadband, Flat-gain, and High Linearity GaN HEMT LNA for Mobile Base Station(TJMW2016 Young Researcher Encouragement Award)   International conference

    Thailand-Japan MicroWave 2016, FR2-14  IEICE

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    Event date: 2016.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida, Akihira Miyachi, Kenjiro Nishikawa, Shigeo Kawasaki   Design of Dual-Band Rectifier Using Microstrip Spurline Notch Filter   International conference

    Thailand-Japan MicroWave 2016, TH1-19  IEICE

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    Event date: 2016.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Thailand  

    国際学会

  • 桑原達朗,西川健二郎,川崎繁男   MIMO制御技術を用いた近距離WiCoPTシステムにおける電力伝送効率と電力伝送領域の拡張効果   Invited

    2016電子情報通信学会総合大会,CK2-6  電子情報通信学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:福岡  

    国内学会

  • Naomi Hasegawa, Ju Hyeonjae, Satoshi Yoshida, Akihira Miyachi, Makoto Matsunoshita, Kenjiro Nishikawa, Naomi Shinohara, Shigeo Kawasaki   Dual-band Dual-pole Antenna for compatibility of MPT with communication   Invited

    2016年電子情報通信学会総合大会  電子情報通信学会

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    Event date: 2016.3

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:福岡市  

  • 村口昌史, 西川健二郎   バラクタ結合を用いた周波数/帯域幅可変フィルタ  

    2016電子情報通信学会総合大会,C-2-64  電子情報通信学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:福岡  

    国内学会

  • 嶋村 仁, 榊 裕翔, 吉田賢史, 西川健二郎, 川﨑繁男   WiCoPT実現に向けた整流器変換効率のシンボルレート依存性  

    2016電子情報通信学会総合大会,C-2-21  電子情報通信学会

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    Event date: 2016.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:福岡  

    国内学会

  • Ryuya Tanaka, Hiroto Sakaki, Makoto Kuroki, Fumito Kuroiwa, Kenjiro Nishikawa   Wide Dynamic Range Rectifier with Adaptive Power Control Technique   International conference

    2015 Asian Wireless Power Transfer Workshop (AWPT2015)  IEICE Technical Committee on Wireless Power Transfer

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    Event date: 2015.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Taipei, Taiwan  

    国際学会

  • Tatsuro Kuwahara, Ryo Takamori, and Kenjiro Nishikawa   Technique to Expand Power Transfer Area on Short-range WPT System (TJMW2015 Best Presentation Award)   International conference

    Thailand-Japan MicroWave 2015, TH1-32 / Vietnam-Japan MicroWave 2015, pp.83  Thailand-Japan MicroWave 2015, TH1-32 / Vietnam-Japan MicroWave 2015, pp.83

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    Event date: 2015.8

    Language:English  

    Venue:Thailand, Vietnam  

    国際学会

  • Naoki Hasegawa, Hyeonjae Ju, Satoshi Yoshida, Akihira Miyachi, Makoto Matsunoshita, Kenjiro Nishikawa, and Shigeo Kawasaki   Dual-band Dual-pole Antenna for compatibility of MPT with communication (TJMW2015 Best Presentation Award)   International conference

    Thailand-Japan MicroWave 2015, TH1-02  Thailand-Japan MicroWave 2015, TH1-02

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    Event date: 2015.8

    Language:English  

    Venue:Thailand  

    国際学会

  • Yuma Sakiyama, Masashi Muraguchi, Hiroto Sakaki, and Kenjiro Nishikawa   Modeling of Grounded CPW Line with Anomalous Skin Effect in THz band (TJMW2015 Young Researcher Encouragement Award)   International conference

    Thailand-Japan MicroWave 2015, TH1-34  Thailand-Japan MicroWave 2015, TH1-34

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    Event date: 2015.8

    Language:English  

    Venue:Thailand  

    国際学会

  • 榊裕翔,辻井優伸,西川健二郎,河合邦浩,岡崎浩司,楢橋祥一   Performance Analysis of Adjacent Channel Leakage power Ratio depending on RF components for Multiband Base Station Receiver  

    2015電子情報通信学会総合大会,C-2-103  2015電子情報通信学会総合大会,C-2-103

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    Event date: 2015.3

    Language:Japanese  

    Venue:滋賀  

    国内学会

  • 黒木 真,榊裕翔,辻井優伸,西川健二郎,河合邦浩,岡崎浩司,楢橋祥一   シーケンシャル動作による広ダイナミックレンジ整流回路の提案  

    2015電子情報通信学会総合大会,C-2-8  2015電子情報通信学会総合大会,C-2-8

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    Event date: 2015.3

    Language:Japanese  

    Venue:滋賀  

    国内学会

  • 榊裕翔,辻井優伸,西川健二郎,河合邦浩,岡崎浩司,楢橋祥一   2 周波数対応ドハティ型整流回路の提案  

    2015電子情報通信学会総合大会,B-21-13  2015電子情報通信学会総合大会,B-21-13

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    Event date: 2015.3

    Language:Japanese  

    Venue:滋賀  

    国内学会

  • 榊 裕翔,黒岩 史登,辻井 優伸,西川 健二郎,河合 邦浩,岡崎 浩司,楢橋 祥一   広ダイナミックレンジ・デュアルバンド整流回路の提案  

    電子情報通信学会技術研究報告 WPT2014-81, pp. 19-24  電子情報通信学会技術研究報告 WPT2014-81, pp. 19-24

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    Event date: 2015.1

    Language:Japanese  

    Venue:沖縄  

    研究会

  • 桑原達朗,高森 凌,西川健二郎   マイクロ波無線電力伝送における MIMO システムによる改善効果  

    電子情報通信学会技術研究報告 WPT2014-86 pp. 49-54  電子情報通信学会技術研究報告 WPT2014-86 pp. 49-54

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    Event date: 2015.1

    Language:Japanese  

    Venue:沖縄  

    研究会

  • 高森 凌,西川健二郎,丸 祐介,川崎繁男   ロケット内無線センサネットワーク用デュアルバンドWiCoPTシステムにおける信号干渉に関する検討  

    電子情報通信学会技術研究報告 MW2014-186, pp.31-34  電子情報通信学会技術研究報告 MW2014-186, pp.31-34

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    Event date: 2015.1

    Language:Japanese  

    Venue:東京  

    研究会

  • Machiko Maeno, Ryo Takamori, Hiroto Sakaki, Kenjiro Nishikawa, and Shigeo Kawasaki   Novel RF Configuration on IC Tag for Multi-frequency Transmission WiCoPT System   International conference

    Thailand-Japan MicroWave 2014, TH4-18 / Vietnam-Japan MicroWave 2014, P-17  Thailand-Japan MicroWave 2014, TH4-18 / Vietnam-Japan MicroWave 2014, P-17

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    Event date: 2014.11

    Language:English  

    Venue:Thailand, Vietnam  

    国際学会

  • Hiroto Sakaki, Masanobu Tsujii, enjiro Nishikawa, Kunihiro Kawai, Hiroshi Okazaki, and Shoichi Narahashi   Performance Analysis of Adjacent Channel Leakage power Ratio depending on RF Components for Multiband Base Station (TJMW2014 Young Researcher Encouragement Award)   International conference

    Thailand-Japan MicroWave 2014, TH4-7 / Vietnam-Japan MicroWave 2014, P-15  Thailand-Japan MicroWave 2014, TH4-7 / Vietnam-Japan MicroWave 2014, P-15

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    Event date: 2014.11

    Language:English  

    Venue:Thailand, Vietnam  

    国際学会

  • Yuta Sakiyama, Masashi Muraguchi, Hiroto Sakaki, and Kenjiro Nishikawa   High-order Mode suppression Techniques with Via-holes On THz Grounded CPW Lines on Si Substrate   International conference

    Thailand-Japan MicroWave 2014, TH4-14 / Vietnam-Japan MicroWave 2014, P-16  Thailand-Japan MicroWave 2014, TH4-14 / Vietnam-Japan MicroWave 2014, P-16

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    Event date: 2014.11

    Language:English  

    Venue:Thailand, Vietnam  

    国際学会

  • 桑原達朗,高森 凌,西川健二郎   近距離無線電力伝送におけるMIMO通信による改善効果  

    平成26年度電気・情報関係学会九州支部連合大会,14-1P-08  平成26年度電気・情報関係学会九州支部連合大会,14-1P-08

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    Event date: 2014.9

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 高森 凌,野地拓匡,桑原達朗,川崎繁男,西川健二郎   小型レクティファイアの作製  

    平成26年度電気・情報関係学会九州支部連合大会,12-2A-10  平成26年度電気・情報関係学会九州支部連合大会,12-2A-10

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    Event date: 2014.9

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 榊 裕翔,辻井優伸,西川健二郎,河合邦浩,岡崎浩司,楢橋祥一   5.8GHz帯反射波再利用型シングルシャント整流回路  

    平成26年度電気・情報関係学会九州支部連合大会,12-2A-11  平成26年度電気・情報関係学会九州支部連合大会,12-2A-11

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    Event date: 2014.9

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 榊裕翔,黒岩史登,村口昌史,西川健二郎   無線電力伝送用広ダイナミックレンジ整流回路の提案  

    2014電子情報通信学会ソサイエティ大会,C-2-8  2014電子情報通信学会ソサイエティ大会,C-2-8

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    Event date: 2014.9

    Language:Japanese  

    Venue:徳島  

    国内学会

  • 榊 裕翔,黒岩史登,村口昌史,西川健二郎   無線電力伝送用広ダイナミックレンジ整流回路の提案  

    電子情報通信学会技術研究報告 MW2014-80, pp.191-196  電子情報通信学会技術研究報告 MW2014-80, pp.191-196

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    Event date: 2014.7

    Language:Japanese  

    Venue:北海道  

    研究会

  • 榊 裕翔,嶋村 仁,黒岩史登,西川健二郎   高インピーダンス整合回路を用いた高効率整流回路の設計と解析  

    電子情報通信学会技術研究報告 WPT2014-22, pp. 115-120  電子情報通信学会技術研究報告 WPT2014-22, pp. 115-120

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    Event date: 2014.4

    Language:Japanese  

    Venue:東京  

    研究会

  • 榊裕翔,桑原達朗,吉田賢史,西川健二郎,川崎繁男   WiCoPT実現に向けた整流回路動作の入力信号依存性  

    2014電子情報通信学会総合大会,BCS-1-19  2014電子情報通信学会総合大会,BCS-1-19

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    Event date: 2014.3

    Language:Japanese  

    Venue:新潟  

    国内学会

  • S. Iwai, H. Sakaki, H. Shimamura, and K. Nishikawa   Design of High-Efficiency Rectifier Circuit   International conference

    Thailand-Japan MicroWave 2013 (TJMW2013) Workshop, TU2-8, 2013  Thailand-Japan MicroWave 2013 (TJMW2013) Workshop, TU2-8, 2013

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    Event date: 2013.12

    Language:English  

    Venue:タイ  

    国際学会

  • 榊裕翔,吉田賢史,桑原達朗,西川健二郎,川崎繁男   WiCoPT実現に向けた入力信号とRF-DC変換効率の関係性~CW/FSK/QPSK/16QAMの比較~  

    電子情報通信学会技術研究報告 Vol. 113, No. 307, MW2013-147, pp.91-96  電子情報通信学会技術研究報告 Vol. 113, No. 307, MW2013-147, pp.91-96

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    Event date: 2013.11

    Language:Japanese  

    Venue:鹿児島  

    研究会

  • 祝翔平,西川健二郎,榊裕翔,島村仁   高効率検波器設計法の提案  

    電子情報通信学会技術研究報告 Vol. 113, No. 307, MW2013-146, pp.85-90  電子情報通信学会技術研究報告 Vol. 113, No. 307, MW2013-146, pp.85-90

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    Event date: 2013.11

    Language:Japanese  

    Venue:鹿児島  

    研究会

  • 高森 凌, 西川 健二郎, 丸 祐介, 川崎 繁男   ロケット内無線センサネットワーク用ICタグの設計  

    日本航空宇宙学会 第57回宇宙科学技術連合講演会OS-5,3G12  日本航空宇宙学会 第57回宇宙科学技術連合講演会OS-5,3G12

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    Event date: 2013.10

    Language:Japanese  

    Venue:鳥取  

    国内学会

  • 榊裕翔,吉田賢史,西川健二郎,川崎繁男   WiCoPT実現に向けた変調信号入力時の整流器効率に関する解析  

    電子情報通信学会 第19回無線電力伝送時限研究専門委員会(通算47回)研究会WPT2013-12  電子情報通信学会 第19回無線電力伝送時限研究専門委員会(通算47回)研究会WPT2013-12

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    Event date: 2013.7

    Language:Japanese  

    Venue:東京  

    研究会

  • S. Kawasaki, S. Yoshida, Y. Kobayashi, K. Makihara, and K. Nishikawa   Wireless Sensors and Communication by Energy Harvesting in a Spacecraft   International conference

    2013 IEEE MTT-S International Microwave Symposium Workshop, WFI-9 (RF-on-demand for the internet of thing)  2013 IEEE MTT-S International Microwave Symposium Workshop, WFI-9 (RF-on-demand for the internet of thing)

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    Event date: 2013.6

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • 福田 豪,吉田賢史,田代俊太郎,野地拓匡,小林雄太,西川健二郎,村口正弘,川崎繁男   GaAs HEMT MMICを用いたWPT用C帯整流器の基本試作  

    2013電子情報通信学会総合大会,C-2-4  2013電子情報通信学会総合大会,C-2-4

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    Event date: 2013.3

    Language:Japanese  

    Venue:岐阜  

    国内学会

  • 榊裕翔,吉田賢史,西川健二郎,川崎繁男   FSK変調信号入力時の整流器動作の解析  

    2013電子情報通信学会総合大会,C-2-3  2013電子情報通信学会総合大会,C-2-3

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    Event date: 2013.3

    Language:Japanese  

    Venue:岐阜  

    国内学会

  • 榊裕翔,吉田賢史,西川健二郎,川崎繁男   FSK変調信号入力時の整流器動作の解析  

    電子情報通信学会技術研究報告 Vol. 112, No. 459, MW2012-183, pp135-140  電子情報通信学会技術研究報告 Vol. 112, No. 459, MW2012-183, pp135-140

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    Event date: 2013.3

    Language:Japanese  

    Venue:広島  

    研究会

  • 高森 凌,川崎碧,清田春信,西川健二郎,川崎繁男   無線センサネットワーク用準ミリ波帯低消費電力増幅器  

    2013電子情報通信学会総合大会,C-2-38  2013電子情報通信学会総合大会,C-2-38

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    Event date: 2013.3

    Language:Japanese  

    Venue:岐阜  

    国内学会

  • 吉田賢史,田代俊太郎,野地拓匡,福田豪,小林雄太,西川健二郎,川崎繁男   高頻度再使用ロケット実験機内ワイヤレスヘルスモニタリングシステムの基礎実験  

    宇宙航空研究開発機構・宇宙科学研究所第13回宇宙科学シンポジウム  宇宙航空研究開発機構・宇宙科学研究所第13回宇宙科学シンポジウム

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    Event date: 2013.1

    Language:Japanese  

    Venue:神奈川  

    研究会

  • 久住圭介,西森健太郎,本間尚樹,川崎 碧,西川健二郎,丸 祐介,川崎繁男   小型ロケット内におけるMIMO伝送の特性評価  

    2012電子情報通信学会総合大会,B-1-215  2012電子情報通信学会総合大会,B-1-215

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    Event date: 2012.3

    Language:Japanese  

    Venue:岡山  

    国内学会

  • 川島宗也,西川健二郎,上原一浩   60GHz帯広帯域アップコンバータMMICおよび低損失実装手法の検討  

    2011電子情報通信学会ソサイエティ大会,C-2-12  2011電子情報通信学会ソサイエティ大会,C-2-12

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    Event date: 2011.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 野地紘史,堀正和,渋谷賢広,磯野晃輔,小林雄太,山田三男,石崎俊男,古田重樹,森口幸雄,河合正,西川健二郎,加藤隆二,山本善一,川崎繁男   GaN HPAを用いた宇宙通信用S帯500W級小型電力合成ユニット  

    電子情報通信学会技術研究報告巻111号:7(SANE2011-3)頁:13-17, 2011年4月  電子情報通信学会技術研究報告巻111号:7(SANE2011-3)頁:13-17, 2011年4月

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    Event date: 2011.4

    Language:Japanese  

    Venue:長野  

    研究会

  • 西川健二郎,関智弘   ミリ波オンチップ/パッケージ集積化アンテナ  

    URSI-C委員会 第21期 第7回公開研究会  URSI-C委員会 第21期 第7回公開研究会

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    Event date: 2010.10

    Language:Japanese  

    Venue:徳島  

    研究会

  • T. Kaho, Y. Yamaguchi, K. Nishikawa   Ultra Compact RFICs Using Three-dimensional MMIC Technology fromMicrowave to Millimeter Wave Band   International conference

    2010 IEEE MTT-S International Microwave Symposium Workshop, WMH (3D Microwave and Millimeter-Wave Packaging)  2010 IEEE MTT-S International Microwave Symposium Workshop, WMH (3D Microwave and Millimeter-Wave Packaging)

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    Event date: 2010.6

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • K. Hiraga, T. Seki, K. Nishimori, K. Nishikawa, I. Toyoda and K. Uehara   Performance of Ultra-High-Speed Short-Range Transmission (Invited paper)   International conference

    24th Meeting of the Wireless World Research Forum, WG5, Session2  24th Meeting of the Wireless World Research Forum, WG5, Session2

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    Event date: 2010.4

    Language:English  

    Venue:マレーシア  

    国際学会

  • 平賀健,関智弘,西森健太郎,西川健二郎,上原一浩   ミリ波超高速近距離パラレル伝送システム  

    2010電子情報通信学会総合大会,SB1-3  2010電子情報通信学会総合大会,SB1-3

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    Event date: 2010.3

    Language:Japanese  

    Venue:仙台  

    国内学会

  • K. Nishikawa   Ultra high-speed radio communication systems and their applications - Current status and challenges -   International conference

    OMEGA Open Event 2010 workshop  OMEGA Open Event 2010 workshop

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    Event date: 2010.2

    Language:English  

    Venue:フランス  

    国際学会

  • 西川健二郎,関智弘,平賀健,上原一浩   60GHz帯を用いた4K映像無線伝送システム  

    電気学会電子デバイス技術委員会「ミリ波信号処理の技術と科学」調査専門委員会第6回公開研究会  電気学会電子デバイス技術委員会「ミリ波信号処理の技術と科学」調査専門委員会第6回公開研究会

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    Event date: 2009.12

    Language:Japanese  

    Venue:東京  

    研究会

  • 岡崎浩司,西川健二郎,鈴木恭宣,大久保賢祐,上田哲也,廣田明道,鴨田浩和,中舎安宏   2009年IEEE MTT-S国際マイクロ波シンポジウム(IMS2009)出席報告  

    電子情報通信学会技術研究報告巻:109 号:117(MW2009)  電子情報通信学会技術研究報告巻:109 号:117(MW2009)

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    Event date: 2009.11

    Language:Japanese  

    Venue:種子島  

    研究会

  • 西川健二郎   IC上のハイブリッド回路の最新動向  

    2009 Microwave Workshop and Exhibition (MWE2009), Workshop16-4  2009 Microwave Workshop and Exhibition (MWE2009), Workshop16-4

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    Event date: 2009.11

    Language:Japanese  

    Venue:横浜  

    国内学会

  • K. Nishikawa   Gigabit Transceivers: a Panacea or a Poison?   International conference

    The 5th IEEE Asia Solid-State Circuits Conference (2009 A-SSCC), Panel Session  The 5th IEEE Asia Solid-State Circuits Conference (2009 A-SSCC), Panel Session

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    Event date: 2009.10

    Language:English  

    Venue:台湾  

    国際学会

  • 西川健二郎   MMIC及びRF-CMOSの最新動向  

    (社)関西電子工業振興センター 2009年度次世代ワイヤレス通信技術講座  (社)関西電子工業振興センター 2009年度次世代ワイヤレス通信技術講座

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    Event date: 2009.9

    Language:Japanese  

    Venue:大阪  

    その他

  • 西森健太郎,関智弘,平賀健,西川健二郎,溝口匡人   MIMO‐OFDM伝送評価装置を用いた近距離並列伝送の効果  

    2009電子情報通信学会ソサイエティ大会,B-1-209  2009電子情報通信学会ソサイエティ大会,B-1-209

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    Event date: 2009.9

    Language:Japanese  

    Venue:新潟  

    国内学会

  • 平賀 健,関 智弘,西森健太郎,西川健二郎,上原一浩   マイクロストリップアンテナを用いたミリ波帯超高速近距離パラレル伝送  

    2009電子情報通信学会ソサイエティ大会,B-1-207  2009電子情報通信学会ソサイエティ大会,B-1-207

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    Event date: 2009.9

    Language:Japanese  

    Venue:新潟  

    国内学会

  • I. Toyoda, T. Seki, and K. Nishikawa   Standardization of Millimeter-Wave Wireless Personal Area Networks   International conference

    Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 29-32, 2009  Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 29-32, 2009

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    Event date: 2009.8

    Language:English  

    Venue:タイ  

    国際学会

  • K. Nishikawa, T. Seki, and K. Hiraga   Design of Broadband MMIC Edge-coupled Directional Coupler with Lumped Element   International conference

    Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 149-153, 2009  Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 149-153, 2009

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    Event date: 2009.8

    Language:English  

    Venue:タイ  

    国際学会

  • T. Seki, K. Nishimori, K. Hiraga, and K. Nishikawa   High Speed Parallel Data Transmission Technology for Short Range Wireless Relay System   International conference

    Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 145-148, 2009  Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 145-148, 2009

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    Event date: 2009.8

    Language:English  

    Venue:タイ  

    国際学会

  • K. Hiraga, T. Seki, K. Nishimori, K. Nishikawa, and K. Uehara   Effectiveness of Ultra High Speed Parallel Transmission in Near Field using Millimeter-Wave Frequency   International conference

    Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 41-44, 2009  Thailand-Japan MicroWave 2009 (TJMW2009) Workshop, pp. 41-44, 2009

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    Event date: 2009.8

    Language:English  

    Venue:タイ  

    国際学会

  • 平賀健,関智弘,西森健太郎,西川健二郎,上原一浩   ミリ波超高速近距離パラレル伝送の効果  

    電子情報通信学会技術研究報告巻:109 号:117(AP2009 44-78) 頁:71-76  電子情報通信学会技術研究報告巻:109 号:117(AP2009 44-78) 頁:71-76

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    Event date: 2009.7

    Language:Japanese  

    Venue:小樽  

    研究会

  • 関智弘,西森健太郎,平賀健,西川健二郎   壁間伝送を想定した近距離並列伝送の実験的検討  

    電子情報通信学会技術研究報告巻:109 号:117(AP2009 44-78) 頁:65-70  電子情報通信学会技術研究報告巻:109 号:117(AP2009 44-78) 頁:65-70

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    Event date: 2009.7

    Language:Japanese  

    Venue:小樽  

    研究会

  • K. Nishikawa and T. Seki   Small Antenna and Amplifier Designs for MM-Wave SoC and SiP   International conference

    2009 IEEE VLSI Circuit Symposium, Short Course  2009 IEEE VLSI Circuit Symposium, Short Course

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    Event date: 2009.6

    Language:English  

    Venue:京都  

    国際学会

  • 関 智弘,平賀 健,西森健太郎,本間尚樹,西川健二郎,上原一浩   高速中継システム実現に向けた近距離パラレル伝送の検討  

    2009電子情報通信学会総合大会,B-1-245  2009電子情報通信学会総合大会,B-1-245

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    Event date: 2009.3

    Language:Japanese  

    Venue:愛媛  

    国内学会

  • 川島宗也,西川健二郎,清田春信,川崎繁男   右手/左手系複合線路を用いた分布増幅器  

    2009電子情報通信学会総合大会,C-2-24  2009電子情報通信学会総合大会,C-2-24

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    Event date: 2009.3

    Language:Japanese  

    Venue:愛媛  

    国内学会

  • 平賀 健,関 智弘,本間尚樹,西川健二郎,上原一浩   ミリ波帯超高速近距離パラレル伝送に関する検討  

    2009電子情報通信学会総合大会,B-1-246  2009電子情報通信学会総合大会,B-1-246

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    Event date: 2009.3

    Language:Japanese  

    Venue:愛媛  

    国内学会

  • 関智弘,西森健太郎,本間尚樹,西川健二郎   近距離超高速中継システム  

    電子情報通信学会技術研究報告巻:108 号:304(AP2008 111-139) 頁:73-77  電子情報通信学会技術研究報告巻:108 号:304(AP2008 111-139) 頁:73-77

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    Event date: 2008.11

    Language:Japanese  

    Venue:石川  

    研究会

  • 西川健二郎,平出賢吉   ミリ波産業がエンジェルスパイラルに乗るための諸条件  

    2008電子情報通信学会ソサイエティ大会,CK-2-8  2008電子情報通信学会ソサイエティ大会,CK-2-8

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    Event date: 2008.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 野坂秀之,小杉敏彦,西川健二郎,豊田一彦,村田浩一   遅延制御による偶数段リング構成ダイナミック分周器  

    2008電子情報通信学会ソサイエティ大会,C-10-16  2008電子情報通信学会ソサイエティ大会,C-10-16

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    Event date: 2008.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 西川健二郎,望月秀幸,川島宗也,関智弘   アクティブフェーズドアレーアンテナの経済化に向けたSiデバイスの適用可能性の検討  

    第2回APAAシンポジウム,講演21  第2回APAAシンポジウム,講演21

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    Event date: 2008.3

    Language:Japanese  

    Venue:東京  

    その他

  • 関 智弘,西川健二郎,岡田一泰   多層LTCC基板を用いた円環金属装荷マイクロストリップアンテナ  

    2008電子情報通信学会総合大会,CS-3-1  2008電子情報通信学会総合大会,CS-3-1

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    Event date: 2008.3

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 川島宗也,西川健二郎,清田春信,新浩一,川崎繁男   メタマテリアルのMMIC・能動化に向けた基礎検討  

    第2回APAAシンポジウム,講演20  第2回APAAシンポジウム,講演20

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    Event date: 2008.3

    Language:Japanese  

    Venue:東京  

    その他

  • Y. Yamaguchi, T. Kaho, K. Nishikawa, and K. Uehara   Millimeter-Wave Highly-Integrated GaAs MMICs Using 3D-MMIC Technology  

    2007 Microwave Workshop and Exhibition (MWE2007), WS13-4  2007 Microwave Workshop and Exhibition (MWE2007), WS13-4

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    Event date: 2007.11

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • K. Nishikawa   Potential of future applications of the mm-wave CMOS: feasibility of 60GHz WLAN/WPAN in CMOS   International conference

    29th IEEE Compound Semiconductor IC Symposium (CSICS), Panel Session  29th IEEE Compound Semiconductor IC Symposium (CSICS), Panel Session

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    Event date: 2007.10

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • 川島宗也,山口 陽,西川健二郎,上原一浩   広帯域低雑音増幅器の高線形化に関する検討  

    2007電子情報通信学会ソサイエティ大会,C-2-5  2007電子情報通信学会ソサイエティ大会,C-2-5

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    Event date: 2007.9

    Language:Japanese  

    Venue:鳥取  

    国内学会

  • Y. Yamaguchi, T. Kaho, K. Nishikawa, and K. Uehara   Highly Integrated GaAs MMICs using Three-dimensional MMIC Technology   International conference

    2007 IEEE Radio Frequency IC Symposium (RFIC), Workshop WSN  2007 IEEE Radio Frequency IC Symposium (RFIC), Workshop WSN

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    Event date: 2007.6

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • K. Nishikawa   CMOS Millimeter-Wave MMIC: Real or Bubble?   International conference

    2007 IEEE Radio Frequency IC (RFIC) Symposium, Panel Session  2007 IEEE Radio Frequency IC (RFIC) Symposium, Panel Session

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    Event date: 2007.6

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • 川島宗也,山口陽,西川健二郎,上原一浩   ソフトウェア無線・コグニティブ無線実現に向けた広帯域低雑音増幅器の高線形化に関する検討  

    電子情報通信学会技術研究報告巻:107 号:69(SR2007 1-18) 頁:79-83  電子情報通信学会技術研究報告巻:107 号:69(SR2007 1-18) 頁:79-83

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    Event date: 2007.5

    Language:Japanese  

    Venue:東京  

    研究会

  • 西川健二郎   高集積MMIC及びマイクロ波パッケージ技術動向(招待講演)  

    第1回APAAシンポジウム,講演2  第1回APAAシンポジウム,講演2

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    Event date: 2007.3

    Language:Japanese  

    Venue:東京  

    その他

  • 関 智弘,西川健二郎,豊田一彦,久保田周治   ミリ波帯2層交互配置無給電マイクロストリップアレーアンテナ  

    2007電子情報通信学会総合大会,B-1-169  2007電子情報通信学会総合大会,B-1-169

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    Event date: 2007.3

    Language:Japanese  

    Venue:愛知  

    国内学会

  • 西川健二郎,関 智弘,豊田一彦,久保田周治   無給電素子装荷ストリップ線路を用いたミリ波帯LTCCエッジ結合型バンドパスフィルタ  

    2007電子情報通信学会総合大会,C-2-74  2007電子情報通信学会総合大会,C-2-74

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    Event date: 2007.3

    Language:Japanese  

    Venue:愛知  

    国内学会

  • K. Nishikawa, Y. Yamaguchi, and T. Kaho   Three-dimensional MMIC Technology for Highly- integrated GaAs-and Si-MMICs; A Challenge for Microwave and Millimeter-wave System-on-chip   International conference

    2007 IEEE Radio and Wireless Symposium Workshop, WM1 (New Trends in Technology and Design Methodology for Highly Integrated MMICs and Systems on Chip)  2007 IEEE Radio and Wireless Symposium Workshop, WM1 (New Trends in Technology and Design Methodology for Highly Integrated MMICs and Systems on Chip)

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    Event date: 2007.1

    Language:English  

    Venue:アメリカ合衆国  

    国際学会

  • 荒木純道,李 可人,西川健二郎,常信和清,吉増敏彦,黒木太司,大橋英征 ,宮崎守泰,馬 哲旺   2006年IEEE MTT-S国際マイクロ波シンポジウム(IMS2006)出席報告  

    電子情報通信学会技術研究報告巻:106号:231(MW2006 75-106) 頁:175-183  電子情報通信学会技術研究報告巻:106号:231(MW2006 75-106) 頁:175-183

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    Event date: 2006.9

    Language:Japanese  

    Venue:東京  

    研究会

  • 関 智弘,西川健二郎,豊田一彦,久保田周治   2層交互配置無給電マイクロストリップアレーアンテナ  

    2006電子情報通信学会ソサイエティ大会,B-1-102  2006電子情報通信学会ソサイエティ大会,B-1-102

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    Event date: 2006.9

    Language:Japanese  

    Venue:石川  

    国内学会

  • 関 智弘,西川健二郎,豊田一彦,久保田周治   60GHz帯アンテナ一体化LTCCモジュール(招待講演)  

    電気学会 ミリ波調査専門委員会  電気学会 ミリ波調査専門委員会

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    Event date: 2006.7

    Language:Japanese  

    研究会

  • 関 智弘,西川健二郎,鈴木康夫,豊田一彦,常川光一   60GHz帯アンテナ一体型LTCCモジュール  

    2006電子情報通信学会総合大会,C-2-31  2006電子情報通信学会総合大会,C-2-31

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    Event date: 2006.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 西川健二郎,榎木孝知,杉谷末広 ,豊田一彦   60GHz帯0.4V,5.6mW InP HEMT低雑音増幅器MMIC  

    電子情報通信学会技術研究報告巻:105号:626(MW2005 178-189) 頁:13-17  電子情報通信学会技術研究報告巻:105号:626(MW2005 178-189) 頁:13-17

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    Event date: 2006.3

    Language:Japanese  

    Venue:神奈川  

    研究会

  • 岡崎浩司,磯田陽次,岸本修也,中川匡夫,西川健二郎,李 可人 ,真田篤志   2005年IEEE MTT-S国際マイクロ波シンポジウム出席報告  

    電子情報通信学会技術研究報告巻:105号:272(MW2005 78-85) 頁:43-52  電子情報通信学会技術研究報告巻:105号:272(MW2005 78-85) 頁:43-52

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    Event date: 2005.9

    Language:Japanese  

    Venue:東京  

    研究会

  • 関 智弘,西川健二郎,豊田一彦,常川光一   高次モード無給電素子装荷多層リングアンテナ  

    2005電子情報通信学会ソサイエティ大会,B-1-80  2005電子情報通信学会ソサイエティ大会,B-1-80

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    Event date: 2005.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 豊田一彦,西川健二郎,鈴木康夫,関 智弘,梅比良正弘   60GHz帯ギガビットワイヤレスシステム(1)―システム概要―  

    2005電子情報通信学会ソサイエティ大会,B-5-202  2005電子情報通信学会ソサイエティ大会,B-5-202

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    Event date: 2005.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 関 智弘,本間尚樹,西川健二郎,常川光一   60GHz帯用多層リング装荷マイクロストリップアンテナの実動作特性  

    2005電子情報通信学会総合大会,B-1-173  2005電子情報通信学会総合大会,B-1-173

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    Event date: 2005.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 本間尚樹,西森健太郎,関 智弘,西川健二郎,常川光一   容量装荷モノポールアンテナとノッチアンテナを用いたMIMO用3偏波共用アンテナの提案  

    2005電子情報通信学会総合大会,B-1-91  2005電子情報通信学会総合大会,B-1-91

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    Event date: 2005.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 本間尚樹,井田正明,関 智弘・西川健二郎,常川光一   開放スタブを用いた12GHz帯低損失MUSCATアレーの特性  

    2005電子情報通信学会総合大会,B-1-86  2005電子情報通信学会総合大会,B-1-86

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    Event date: 2005.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 西川健二郎,榎木孝知,杉谷末広,関 智弘,豊田一彦,常川光一   V帯広帯域InP HEMT周波数逓倍器  

    2005電子情報通信学会総合大会,C-2-21  2005電子情報通信学会総合大会,C-2-21

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    Event date: 2005.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 関 智弘,本間尚樹,西川健二郎,常川光一   多層セラミック基板を用いたミリ波帯高利得アンテナの検討  

    電子情報通信学会技術研究報告巻:104 号:561(AP2004 210-222) 頁:19-24  電子情報通信学会技術研究報告巻:104 号:561(AP2004 210-222) 頁:19-24

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    Event date: 2005.1

    Language:Japanese  

    Venue:佐賀  

    研究会

  • 中川匡夫,森一富,吉川俊英,重松寿生,西川健二郎,内田浩光,黒木太司,松毛和久,佐野公一   2004年IEEE MTT-S国際マイクロ波シンポジウム出席報告  

    電子情報通信学会技術研究報告 巻:104 号:297(MW2004 139-145) 頁:33-42  電子情報通信学会技術研究報告 巻:104 号:297(MW2004 139-145) 頁:33-42

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    Event date: 2004.9

    Language:Japanese  

    Venue:東京  

    研究会

  • 関 智弘,本間尚樹,西川健二郎,桐山辰弥,常川光一   多層HTCC基板によるミリ波帯反射鏡面アンテナ  

    2004電子情報通信学会ソサイエティ大会,B-1-95  2004電子情報通信学会ソサイエティ大会,B-1-95

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    Event date: 2004.9

    Language:Japanese  

    Venue:徳島  

    国内学会

  • 本間尚樹,関 智弘,西川健二郎,常川光一   オープンスタブを用いた低損失MUSCATアレーの放射特性  

    2004電子情報通信学会ソサイエティ大会,B-1-126  2004電子情報通信学会ソサイエティ大会,B-1-126

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    Event date: 2004.9

    Language:Japanese  

    Venue:徳島  

    国内学会

  • 本間尚樹 ,関智弘,西川健二郎,常川光一   導波素子共有パッチ八木・宇田アレーを用いた25GHz帯6セクタアンテナ  

    電子情報通信学会技術研究報告 巻:104 号:283(AP2004 124-132) 頁:17-22  電子情報通信学会技術研究報告 巻:104 号:283(AP2004 124-132) 頁:17-22

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    Event date: 2004.9

    Language:Japanese  

    Venue:神奈川  

    研究会

  • 関智弘,本間尚樹,西川健二郎,常川光一   多層テフロン基板を用いた無給電マイクロストリップアレーアンテナ  

    電子情報通信学会技術研究報告巻:104 号:208(MW2004 56-85) 頁:111-116  電子情報通信学会技術研究報告巻:104 号:208(MW2004 56-85) 頁:111-116

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    Event date: 2004.7

    Language:Japanese  

    Venue:北海道  

    研究会

  • 関 智弘,本間尚樹,西川健二郎,常川光一   高効率多層無給電アレーアンテナ  

    2004電子情報通信学会総合大会,B-1-148  2004電子情報通信学会総合大会,B-1-148

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    Event date: 2004.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 本間尚樹,関 智弘,西川健二郎,常川光一   無給電素子を用いた広走査型MUSCATアレー  

    2004電子情報通信学会総合大会,B-1-247  2004電子情報通信学会総合大会,B-1-247

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    Event date: 2004.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 西川健二郎,Belinda Piernas,中川匡夫,荒木克彦   V帯高集積1チップ送信機/受信機MMIC  

    電気学会電子デバイス研究会  電気学会電子デバイス研究会

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    Event date: 2004.3

    Language:Japanese  

    Venue:群馬  

    研究会

  • 本間尚樹,関 智弘,西川健二郎,常川光一   オープンスタブ付きMUSCATアレーの解析と測定  

    電子情報通信学会技術研究報告巻:103号:570(AP2003 236-249) 頁:27-32  電子情報通信学会技術研究報告巻:103号:570(AP2003 236-249) 頁:27-32

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    Event date: 2004.1

    Language:Japanese  

    Venue:愛媛  

    研究会

  • T. Nakagawa, M. Kawashima, K. Nishikawa, and K. Araki   Multi-Band Amplifiers with Bias Controlled Matching Circuits  

    2003 Microwave Workshop and Exhibition (MWE2003), WS11-3  2003 Microwave Workshop and Exhibition (MWE2003), WS11-3

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    Event date: 2003.12

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 中川匡夫,西川健二郎,荒木克彦   ギガビット級FSK受信機用60GHz帯直接復調器MMIC  

    2003電子情報通信学会ソサイエティ大会,C-2-17  2003電子情報通信学会ソサイエティ大会,C-2-17

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    Event date: 2003.9

    Language:Japanese  

    Venue:新潟  

    国内学会

  • 関 智弘,西川健二郎,長 敬三   システムオンパッケージに適した無給電アレーアンテナの実装精度の検討  

    2003電子情報通信学会ソサイエティ大会,B-1-133  2003電子情報通信学会ソサイエティ大会,B-1-133

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    Event date: 2003.9

    Language:Japanese  

    Venue:新潟  

    国内学会

  • 関智弘,西川健二郎,長敬三   多層基板を用いた無給電マイクロストリップアレーアンテナ  

    電子情報通信学会技術研究報告巻:103 号:233(SAT2003 33-56) 頁:73-78  電子情報通信学会技術研究報告巻:103 号:233(SAT2003 33-56) 頁:73-78

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    Event date: 2003.7

    Language:Japanese  

    Venue:北海道  

    研究会

  • 関 智弘,西川健二郎,長 敬三   多層基板を用いた無給電マイクロストリップアレーアンテナ   International conference

    2003電子情報通信学会総合大会,B-1-59  2003電子情報通信学会総合大会,B-1-59

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    Event date: 2003.3

    Language:English  

    Venue:宮城  

    国際学会

  • 西川健二郎,中川匡夫,川島宗也   FETの動作点制御によるマルチバンド増幅器  

    2003電子情報通信学会総合大会,C-2-22  2003電子情報通信学会総合大会,C-2-22

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    Event date: 2003.3

    Language:Japanese  

    Venue:宮城  

    国内学会

  • 宮吉紀寿,田中高行,西川健二郎 ,相川正義   3D‐MMIC周波数可変90度ハイブリッド回路  

    映像情報メディア学会技術報告巻:27 号:6(BFO2003 1-19/ROFT2003 1-19) 頁:61-64  映像情報メディア学会技術報告巻:27 号:6(BFO2003 1-19/ROFT2003 1-19) 頁:61-64

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    Event date: 2003.1

    Language:Japanese  

    Venue:佐賀  

    研究会

  • 関 智弘,西川健二郎,長 敬三   アクティブ集積アンテナに適した多層構造垂直構成フィルタ回路  

    2002電子情報通信学会ソサイエティ大会,B-1-65  2002電子情報通信学会ソサイエティ大会,B-1-65

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    Event date: 2002.9

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 中川匡夫,西川健二郎,荒木克彦   ミリ波システム用ギガビット級FSK復調器MMIC  

    2002電子情報通信学会ソサイエティ大会,C-2-4  2002電子情報通信学会ソサイエティ大会,C-2-4

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    Event date: 2002.9

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 西川健二郎   高集積3次元MMIC  

    電気通信大学第47回研究開発セミナー,マイクロ波・ミリ波高密度実装技術の最前線  電気通信大学第47回研究開発セミナー,マイクロ波・ミリ波高密度実装技術の最前線

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    Event date: 2002.7

    Language:Japanese  

    Venue:東京  

    その他

  • 川島宗也,中川匡夫,林等,西川健二郎,荒木克彦   マルチバンド用ダイレクトコンバージョン送受信機  

    電子情報通信学会 第10回ソフトウエア無線研究会,SR02-01  電子情報通信学会 第10回ソフトウエア無線研究会,SR02-01

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    Event date: 2002.5

    Language:Japanese  

    Venue:東京  

    研究会

  • 西川健二郎,ベリンダ ピエルナス,中川匡夫,荒木克彦   ファンドリGaAspHEMTプロセスを用いたV帯3次元MMIC  

    2002電子情報通信学会総合大会,C-2-11  2002電子情報通信学会総合大会,C-2-11

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    Event date: 2002.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 川島宗也,林 等,中川匡夫,西川健二郎,荒木克彦   ダイレクトコンバージョン用広帯域フロントエンドMMIC  

    2002電子情報通信学会総合大会,C-2-3  2002電子情報通信学会総合大会,C-2-3

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    Event date: 2002.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 川島宗也,林等,中川匡夫,西川健二郎,荒木克彦   ダイレクトコンバージョン用広帯域直交ミキサの直接変調特性  

    2001電子情報通信学会ソサイエティ大会,C-2-31  2001電子情報通信学会ソサイエティ大会,C-2-31

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    Event date: 2001.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 西川健二郎,Belinda Piernas,鴨川健司,中川匡夫,荒木克彦   高Q3次元MMICインダクタ  

    電子情報通信学会技術研究報告巻:101号:550(ED2001 197-211) 頁:77-84  電子情報通信学会技術研究報告巻:101号:550(ED2001 197-211) 頁:77-84

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    Event date: 2001.1

    Language:Japanese  

    Venue:東京  

    研究会

  • 宮吉紀寿,川幡健児,西川健二郎,相川正義   準分布定数型TFMSを用いた3次元MMIC超小型ハイブリッド回路  

    電子情報通信学会技術研究報告巻:101号:416(ED2001 151-163) 頁:61-64  電子情報通信学会技術研究報告巻:101号:416(ED2001 151-163) 頁:61-64

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    Event date: 2001.1

    Language:Japanese  

    Venue:東京  

    研究会

  • K. Nishikawa and I. Toyoda   Recent progress in 3D/Multilayer MMIC Technology  

    2000 Microwave Workshop and Exhibition (MWE2000), Panel Session 2-1, pp.375-380, 2000.  2000 Microwave Workshop and Exhibition (MWE2000), Panel Session 2-1, pp.375-380, 2000.

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    Event date: 2000.12

    Language:Japanese  

    Venue:横浜  

    国内学会

  • 西川健二郎,鴨川健司,豊田一彦,Belinda Piernas,中川匡夫,荒木克彦   3次元MMIC技術を用いたMMIC開発手法の提案  

    2000電子情報通信学会ソサイエティ大会,C-2-52  2000電子情報通信学会ソサイエティ大会,C-2-52

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    Event date: 2000.9

    Language:Japanese  

    Venue:愛知  

    国内学会

  • 西川健二郎,鴨川健司,中川匡夫,田中将義   広帯域Si3DMMICバランス型アップコンバータ  

    2000電子情報通信学会総合大会,C-2-74  2000電子情報通信学会総合大会,C-2-74

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    Event date: 2000.3

    Language:Japanese  

    Venue:広島  

    国内学会

  • 鴨川健司,西川健二郎,中川匡夫,田中将義   3次元MMIC構造を用いたSiオンチップインダクタの高Q化  

    2000電子情報通信学会総合大会,C-2-125  2000電子情報通信学会総合大会,C-2-125

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    Event date: 2000.3

    Language:Japanese  

    Venue:広島  

    国内学会

  • 鴨川健司,西川健二郎,徳満恒雄,田中将義,村口正弘,豊田一彦   スタスライス型3次元MMIC用CADによる回路設計とその応用  

    電子情報通信学会技術研究報告巻:99号:(MW99-69)  電子情報通信学会技術研究報告巻:99号:(MW99-69)

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    Event date: 1999.8

    Language:Japanese  

    Venue:東京  

    研究会

  • 鴨川健司,西川健二郎,徳満恒雄,田中将義   Si3次元MMIC構造に適した高Qモノリシックインダクタとその応用  

    1999電子情報通信学会総合大会,C-2-1  1999電子情報通信学会総合大会,C-2-1

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    Event date: 1999.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 西川健二郎,杉谷末広,井上考,鴨川健司,徳満恒雄,豊田一彦,田中将義   V帯3次元MMIC1チップダウンコンバータ  

    1999電子情報通信学会総合大会,C-2-7  1999電子情報通信学会総合大会,C-2-7

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    Event date: 1999.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 徳満恒雄,鴨川健司,西川健二郎,田中将義   3次元・LUFET一体型MMIC超小形注入同期発振器  

    1999電子情報通信学会総合大会,C-2-12  1999電子情報通信学会総合大会,C-2-12

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    Event date: 1999.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • T. Tokumitsu, K. Kamogawa, K. Nishikawa, and M. Tanaka   Three-dimensional and masterslice MMIC Technology for Low-cost millimeter-wave MMICs   International conference

    3rd Novel Techniques and Application of Millimeter-Waves Dig., pp.41-46, Dec. 1998.  3rd Novel Techniques and Application of Millimeter-Waves Dig., pp.41-46, Dec. 1998.

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    Event date: 1998.12

    Language:English  

    Venue:仙台  

    国際学会

  • I. Toyoda and K. Nishikawa   High Frequency Si MMICs Using Three-Dimensional MMIC Technology   International conference

    1998 Asia Pacific Microwave Conference (APMC1998) Workshop, Leading-Edge Silicon Devices and Their Applications to Microwave/Millimeter-Wave Circuits, pp. 53-74, Dec. 1998.  1998 Asia Pacific Microwave Conference (APMC1998) Workshop, Leading-Edge Silicon Devices and Their Applications to Microwave/Millimeter-Wave Circuits, pp. 53-74, Dec. 1998.

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    Event date: 1998.12

    Language:English  

    Venue:横浜  

    国際学会

  • 鴨川健司,西川健二郎   3次元MMIC技術(招待講演)  

    電気学会マイクロ波磁気デバイスのシステム化調査専門委員会  電気学会マイクロ波磁気デバイスのシステム化調査専門委員会

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    Event date: 1998.10

    Language:Japanese  

    Venue:東京  

    研究会

  • T. Tokumitsu, K. Kamogawa, K. Nishikawa, and M. Tanaka   Tunable Oscillators in Three-dimensional MMIC Technology   International conference

    5th Intl. Workshop on Integrated Nonlinear Microwave and Millimeterwave Circuits (INMMC98) Dig., pp. 69-81, Sept. 1998.  5th Intl. Workshop on Integrated Nonlinear Microwave and Millimeterwave Circuits (INMMC98) Dig., pp. 69-81, Sept. 1998.

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    Event date: 1998.9

    Language:English  

    Venue:ドイツ  

    国際学会

  • 鴨川健司,西川健二郎,豊田一彦,徳満恒雄,田中将義   5GHz帯Si3次元マスタスライスMMICトランシーバ  

    1998電子情報通信学会ソサイエティ大会,C-2-46  1998電子情報通信学会ソサイエティ大会,C-2-46

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    Event date: 1998.9

    Language:Japanese  

    Venue:山梨  

    国内学会

  • 鴨川健司,西川健二郎,豊田一彦,徳満恒雄,田中将義   マスタスライス型3次元MMIC用CADソフトウェア  

    1998電子情報通信学会ソサイエティ大会,SC-2-2  1998電子情報通信学会ソサイエティ大会,SC-2-2

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    Event date: 1998.9

    Language:Japanese  

    Venue:山梨  

    国内学会

  • 鴨川健司,西川健二郎,豊田一彦,徳満恒雄,田中将義   マスタスライス型3次元MMIC用CADソフトウェア  

    電子情報通信学会技術研究報告巻:98 号:282(MW98 75-87) 頁:43-48  電子情報通信学会技術研究報告巻:98 号:282(MW98 75-87) 頁:43-48

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    Event date: 1998.9

    Language:Japanese  

    研究会

  • 西川健二郎,鴨川健司,徳満恒雄,山口力,豊田一彦.平野真   K帯Siマスタスライス型3次元MMIC  

    電子情報通信学会技術研究報告巻:98号:244(ICD98 112-124) 頁:91-96  電子情報通信学会技術研究報告巻:98号:244(ICD98 112-124) 頁:91-96

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    Event date: 1998.8

    Language:Japanese  

    研究会

  • 西川健二郎,鴨川健司,豊田一彦,徳満恒雄,井上考,小野寺清光,平野真,田中将義   マスタスライス型3次元ミリ波MMICの検討  

    1998電子情報通信学会総合大会,C-2-17  1998電子情報通信学会総合大会,C-2-17

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    Event date: 1998.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 井上考,活田健治,小野寺清光,西川健二郎,鴨川健司,平野真   感光性BCBを用いた3次元MMIC配線プロセス技術  

    1998電子情報通信学会総合大会,C-2-76  1998電子情報通信学会総合大会,C-2-76

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    Event date: 1998.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 西川健二郎,豊田一彦,徳満恒雄,山口力,平野真   20GHz帯Si3次元MMICミキサ  

    1997電子情報通信学会ソサイエティ大会,C-2-4  1997電子情報通信学会ソサイエティ大会,C-2-4

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    Event date: 1997.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 鴨川健司,徳満恒雄,豊田一彦,西川健二郎   広帯域サブハーモニックMMIC注入同期発振器  

    1997電子情報通信学会ソサイエティ大会,C-2-75  1997電子情報通信学会ソサイエティ大会,C-2-75

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    Event date: 1997.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 西川健二郎,鴨川健司,豊田一彦,徳満恒雄,平野真,山口力   Si3次元MMIC周波数変換器  

    電子情報通信学会技術研究報告巻:97号:93(MW97 27-34) 頁:19-24  電子情報通信学会技術研究報告巻:97号:93(MW97 27-34) 頁:19-24

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    Event date: 1997.6

    Language:Japanese  

    研究会

  • 鴨川健司,西川健二郎,山口力,平野真,豊田一彦,徳満恒雄   33%周波数可変5GHz帯Si3次元MMIC VCO  

    1997電子情報通信学会総合大会,C-2-39  1997電子情報通信学会総合大会,C-2-39

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    Event date: 1997.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 西川健二郎,豊田一彦,山口力,平野真,鴨川健司,徳満恒雄   Si3次元MMIC6‐10GHzダウンコンバータ  

    1997電子情報通信学会総合大会,C-2-62  1997電子情報通信学会総合大会,C-2-62

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    Event date: 1997.3

    Language:Japanese  

    Venue:大阪  

    国内学会

  • 中津川征士,西川健二郎,末松憲治,李可人,和田光司   ヨーロッパマイクロ波会議(EuMC’96)出席報告  

    電子情報通信学会技術研究報告巻:96号:374(AP96 81-97) 頁:39-44  電子情報通信学会技術研究報告巻:96号:374(AP96 81-97) 頁:39-44

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    Event date: 1996.12

    Language:Japanese  

    Venue:山口  

    研究会

  • 豊田一彦,徳満恒雄,山口力,平野真,西川健二郎,鴨川健司   Si3次元MMIC  

    1996電子情報通信学会ソサイエティ大会,SC-2-3  1996電子情報通信学会ソサイエティ大会,SC-2-3

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    Event date: 1996.9

    Language:Japanese  

    Venue:石川  

    国内学会

  • 西川健二郎,徳満恒雄,鴨川健司,豊田一彦,平野真   20GHz帯マスタスライスMMIC1チップ受信機  

    1996電子情報通信学会ソサイエティ大会,C-35  1996電子情報通信学会ソサイエティ大会,C-35

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    Event date: 1996.9

    Language:Japanese  

    Venue:石川  

    国内学会

  • 西川健二郎,鴨川健司,徳満恒雄,平野真   3次元MMIC 20GHz帯1チップ受信機  

    1996電子情報通信学会総合大会,SC-1-5  1996電子情報通信学会総合大会,SC-1-5

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    Event date: 1996.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 杉谷末広,西川健二郎,豊田一彦,青山真二,平野真,山崎王義   超小型MMIC用3次元配線技術  

    電子情報通信学会技術研究報告巻:95号:371(MW95 95-113) 頁:103-108  電子情報通信学会技術研究報告巻:95号:371(MW95 95-113) 頁:103-108

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    Event date: 1995.11

    Language:Japanese  

    研究会

  • 西川健二郎,徳満恒雄   アクティブ帰還型可変利得増幅器の温度特性補償効果  

    1995電子情報通信学会ソサイエティ大会,C-2-65  1995電子情報通信学会ソサイエティ大会,C-2-65

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    Event date: 1995.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 小川博世,西川健二郎,葛原正明,竹中勉,西川敏夫,鈴木克己,小林よし夫,QIAN Y   1995年IEEE MTT‐S国際マイクロ波シンポジウム報告  

    電子情報通信学会技術研究報告巻:95号:178(MW95 47-57) 頁:13-30  電子情報通信学会技術研究報告巻:95号:178(MW95 47-57) 頁:13-30

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    Event date: 1995.7

    Language:Japanese  

    Venue:北海道  

    研究会

  • 西川健二郎,豊田一彦,鴨川健司,徳満恒雄   スリット付積層型ウイルキンソンディバイダとそれを用いた3次元MMIC1チップ受信機  

    電子情報通信学会技術研究報告巻:95号:179(MW95 58-75) 頁:77-82  電子情報通信学会技術研究報告巻:95号:179(MW95 58-75) 頁:77-82

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    Event date: 1995.7

    Language:Japanese  

    Venue:北海道  

    研究会

  • 鴨川健司,西川健二郎,豊田一彦,徳満恒雄   超小型多層化MMICイメージリジェクションミキサ  

    1995電子情報通信学会総合大会,C-74  1995電子情報通信学会総合大会,C-74

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    Event date: 1995.3

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 西川健二郎,豊田一彦,鴨川健司,徳満恒雄   小型3次元MMICバランス型アップコンバータ  

    1995電子情報通信学会総合大会,C-81  1995電子情報通信学会総合大会,C-81

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    Event date: 1995.3

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 豊田一彦,西川健二郎,鴨川健司,徳満恒雄   3次元MMIC X帯超小型1チップ受信機  

    1995電子情報通信学会総合大会,C-163  1995電子情報通信学会総合大会,C-163

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    Event date: 1995.3

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 徳満恒雄,豊田一彦,西川健二郎,鴨川健司   3次元MMIC増幅器の設計と特性  

    1995電子情報通信学会総合大会,C-96  1995電子情報通信学会総合大会,C-96

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    Event date: 1995.3

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 西川健二郎,徳満恒雄   アクティブ帰還型低歪み可変利得増幅器  

    1994電子情報通信学会秋季大会,C-30  1994電子情報通信学会秋季大会,C-30

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    Event date: 1994.9

    Language:Japanese  

    Venue:宮城  

    国内学会

  • 鴨川健司,豊田一彦,西川健二郎,品川満   MMICスロットアンテナとEOサンプリングによる評価  

    1994電子情報通信学会春季大会,C-39  1994電子情報通信学会春季大会,C-39

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    Event date: 1994.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 西川健二郎,豊田一彦,徳満恒雄   スパイラル型整合回路を用いた多層化MMIC増幅器  

    1994電子情報通信学会春季大会,C-130  1994電子情報通信学会春季大会,C-130

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    Event date: 1994.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 豊田一彦,西川健二郎,徳満恒雄   超小型多層化MMICミキサ  

    1994電子情報通信学会春季大会,C-593  1994電子情報通信学会春季大会,C-593

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    Event date: 1994.3

    Language:Japanese  

    Venue:神奈川  

    国内学会

  • 徳満恒雄,西川健二郎,豊田一彦   多層化したTFMS周期構造を用いたMMICローパスフィルタ  

    1993電子情報通信学会秋季大会,C-66  1993電子情報通信学会秋季大会,C-66

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    Event date: 1993.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 豊田一彦,西川健二郎,徳満恒雄   多層化MMICインピーダンス変成器  

    1993電子情報通信学会秋季大会,C-67  1993電子情報通信学会秋季大会,C-67

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    Event date: 1993.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 豊田一彦,西川健二郎,徳満恒雄   厚膜金属配線を用いたMMIC結合線路の解析  

    1993電子情報通信学会春季大会,C-113  1993電子情報通信学会春季大会,C-113

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    Event date: 1993.3

    Language:Japanese  

    国内学会

  • 平野真,豊田一彦,西川健二郎,徳光雅美,浅井和義   GaAsIC用U字形配線  

    電子情報通信学会技術研究報告巻:92号:421(ICD92 134-143) 頁:37-43  電子情報通信学会技術研究報告巻:92号:421(ICD92 134-143) 頁:37-43

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    Event date: 1992.6

    Language:Japanese  

    研究会

  • 西川健二郎,豊田一彦,平野真,徳満恒雄   MMIC用U字形配線コープレーナ線路  

    1992電子情報通信学会春季大会,C-81  1992電子情報通信学会春季大会,C-81

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    Event date: 1992.3

    Language:Japanese  

    Venue:千葉  

    国内学会

  • 西口公之,高橋康夫,西川健二郎   数値計算を用いた熱間圧接における変形密着プロセスに関する検討  

    1990溶接学会全国大会号:47 頁:90-91  1990溶接学会全国大会号:47 頁:90-91

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    Event date: 1990.9

    Language:Japanese  

    Venue:長崎  

    国内学会

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Research Projects

  • WPT Design Challenges for Wide Dynamic Range Operation

    Grant number:20K04624  2020.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

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    Grant amount:\4290000 ( Direct Cost: \3300000 、 Indirect Cost:\990000 )

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