論文 - 西川 健二郎
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Hiroto Sakaki and Kenjiro Nishikawa . Rectifier Model Using Two Types of Neural Networks for Multiple Average Input Power Levels (to be published) . 2026年査読
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Hiroto Sakaki and Kenjiro Nishikawa . Rectifier Model Using Two Types of Neural Networks for Multiple Average Input Power Levels . 2025 Asia Pacific Microwave Conference (APMC2025) 1 - 4 2025年12月査読
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Qingkun Lyu and Kenjiro Nishikawa . A Nonlinear Rectifying Diode Modeling Approach for High-Efficiency Single-Shunt Rectifier Design . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 25 - 27 2025年8月査読
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Shin Yokomura, Daisuke Yasunobu, Hiroto Sakaki, and Kenjiro Nishikawa . Microwave Characterization CPW Lines Using Copper Ink Based Printed Electronics . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 190 - 192 2025年8月査読
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Yudai Shiota, Hiroto Sakaki, Kenjiro Nishikawa . A Method for Reducing Learning Time in ARVTDNN for NN-DPD Applications . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 199 - 201 2025年8月査読
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Hiroto Sakaki, Kazutomi Mori, and Kenjiro Nishikawa . Hybrid LSTM and polynomial-based rectifier modeling for modulated signals under varying average input power levels . IEICE Communication s Express14 ( 12 ) 424 - 427 2025年8月査読
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Daisuke Yasunobu, Hiroto Sakaki, and Kenjiro Nishikawa . Analysis of Microwave CPW Characterization on Printed Electronics Substrate . 2024 Asia Pacific Microwave Conference (APMC2024) 775 - 777 2024年11月査読
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Hiroto Sakaki and Kenjiro Nishikawa . A Surrogate Model of Rectifiers with LSTM Neural Networks for Various Modulated Signals . 2024 Asia Pacific Microwave Conference (APMC2024) 399 - 401 2024年11月査読
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Kenjiro Nishikawa . Rectifier Desgin Techniques for Wide Dynamic Range Operation . 2023 Asia Pacific Microwave Conference (APMC) 620 - 622 2023年12月招待 査読
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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年8月査読
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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年8月査読
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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年8月査読
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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年6月査読
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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年11月
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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年11月
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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年11月査読
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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年7月査読
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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年7月査読
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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年7月査読
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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年7月
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Satoshi Yoshida, Shunya Asakura, Shuhei Yamanokuchi, 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年3月査読
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Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, 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年12月査読
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Ren Furumoto, Hayato Shimizu, Kenjiro Nishikawa . Design of 94GHz High Efficiency Rectifier MMIC . 2021 IEEE Asia-Pacific Microwave Conference (APMC) 2021年11月
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Koshi Hamano, Hayato Shimizu, 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年8月招待 査読
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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年7月
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Satoshi Yoshida, 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年5月査読
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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年5月査読
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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年9月査読
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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年9月査読
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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年9月招待 査読
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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年9月査読
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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年8月査読
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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年7月査読
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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年6月査読
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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年12月査読
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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年10月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年5月査読
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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年1月査読
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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年11月査読
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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年8月招待 査読
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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年7月査読
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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年6月査読
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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. D, 産業応用部門誌138 ( 7 ) 615 - 622 2018年
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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年12月招待 査読
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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年10月査読
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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年8月査読
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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年8月招待 査読
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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年6月査読
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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年5月査読
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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年5月査読
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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年5月査読
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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年5月査読
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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年11月査読
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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年10月査読
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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年8月査読
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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年5月査読
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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年5月査読
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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年12月査読
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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年12月招待 査読
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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年9月査読
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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年8月査読
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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年11月査読
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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年11月査読
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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年11月査読
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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年11月査読
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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年11月査読
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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年9月査読
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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年9月査読
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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年5月査読
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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年5月査読
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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年5月査読
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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年8月査読
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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年10月査読
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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年10月査読
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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年8月査読
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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年5月査読
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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年4月査読
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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年10月査読
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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年7月査読
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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年6月査読
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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年6月査読
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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年2月査読
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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年1月査読
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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年1月査読
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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年12月査読
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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年10月査読
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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年4月査読
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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年3月査読
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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年5月査読
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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年1月査読
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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年11月査読
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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年10月査読
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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年6月査読
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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年1月査読
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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年11月査読
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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年10月査読
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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年6月査読
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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年5月査読
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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年9月査読
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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年8月査読
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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年8月査読
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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年7月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年5月査読
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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年10月査読
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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年8月査読
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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年8月査読
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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年7月査読
-
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年6月査読
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西川健二郎 . 3次元構造によるMMICの高集積化・高機能化に関する研究 . 2004年1月査読
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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年1月査読
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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年11月査読
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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年10月査読
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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年7月査読
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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年3月査読
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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年12月査読
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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年11月査読
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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年11月査読
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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年11月査読
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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年10月査読
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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年9月査読
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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年8月査読
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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年8月査読
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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年7月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年4月査読
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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年9月査読
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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年6月査読
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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年5月査読
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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年5月査読
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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年5月査読
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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年11月査読
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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年10月査読
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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年10月査読
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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年7月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年3月査読
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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年12月査読
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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年11月査読
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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年9月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年1月査読
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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年1月査読
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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年11月査読
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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年10月査読
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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年10月査読
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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年6月査読
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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年6月査読
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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年6月査読
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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年5月査読
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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年2月査読
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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年12月査読
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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年12月査読
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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年12月査読
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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年11月査読
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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年10月査読
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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年10月査読
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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年8月査読
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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年5月査読
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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年5月査読
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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年5月査読
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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年12月査読
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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年10月査読
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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年10月査読
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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年10月査読
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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年8月査読
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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年6月査読
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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年12月査読
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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年12月査読
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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年5月査読
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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年5月査読
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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年12月査読
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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年12月査読
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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年10月査読
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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年6月査読