Online edition: ISSN 2432-6380
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WPT2025-58
A study on Radio Propagation Estimation for Beam Wireless Power Transmission Systems
-- Development of a 5.7 GHz Band and 10W-Class Beam Wireless Power Transmission System --
Yukihiro Homma, Yuya Ezaki, Toshiyuki Tnaka, Atsushi Sawa, Kei Ohara, Tetsuya Katase, Takuro Sasaki (Mitsubisi Electric), Testuo Endo (TAISEI Co.), Koji Yamaguchi, Toshiteru Hayashi, Masahiro Hanazawa (TAISEI Corp.)
pp. 1 - 6
WPT2025-59
Wireless Power Transfer for a Moving EV by Real-time Frequency Adjust System
Kazutoshi Hasegawa, Kazuya Yamaguchi (NITNC)
pp. 7 - 12
WPT2025-60
Separately Wireless Power Transfer for Various Vehicles with the Optimal Frequency
Hiromasa Miyano, Kazuya Yamaguchi (NITNC)
pp. 13 - 18
WPT2025-61
Experimental Study of a Mobile WPT System in the MHz Band Using Meander Line
Kaiyu Tomii, Toshio Ishizaki (Ryukoku Univ.)
pp. 19 - 24
WPT2025-62
Study on Element Arrangement of Array Antennas for Wide-Range Wireless Power Transfer Including Near-Field Regions
Daichi Togiya, Toshio Ishizaki (Ryukoku Univ.)
pp. 25 - 30
WPT2025-63
Study on Transmission Characteristics to Multiple Receivers via Relay Resonator in a 3D Free-Access Wireless Power Transfer System
Kazuya Murakawa, Toshio Ishizaki (Ryukoku Univ.)
pp. 31 - 36
WPT2025-64
Transient electromagnetic field response of half-wavelength dipoles across a dielectric interface
Yuki Kikugawa, Tamami Maruyama, Hayato Shiraishi (Hiroshima Institute of Technology), Manabu Omiya (Hokkaido University)
pp. 37 - 40
WPT2025-65
Electromagnetic Wave Propagation in Seawater Using Cylindrical Concrete Structures of Floating Offshore Wind Turbines
Norihito Yamato, Qiaowei Yuan (Tohoku Inst. Tech), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC)
pp. 41 - 45
WPT2025-66
Research on Improving Microwave Wall Transmission Efficiency using Wireless Power Transfer Integrating Space Transmission and Resonant Coupling
Yuki Yano, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.), Shotaro Ishino, Takuya Yamaguchi (Furuno Electric Co)
pp. 46 - 50
WPT2025-67
RF Performance Evaluation of the Power Transmission Antenna in the OHISAMA Project
Yumi Kawai (Hosei Univ), Naoki Warigai, Tomu Matsutomo, Yamato Nishida (Suwa Univ), Shinnosuke Sano (Hosei Univ), Simon Maillot (Sokendai), Hitomi Inada (JSS), Kazuyoshi Arai (Hosei Univ), Koji Tanaka (JAXA)
pp. 51 - 56
WPT2025-68
Development of a 100W-class wireless power transmission system
Tomu Matsutomo, Yamato Nishida, Naoki Warigai (SUS), Shinnosuke Sano, Yumi Kawai (Hosei Univ), Junichi Sawada, Tatsuhito Fujita, Eriko Soma, Akihiro Masukura, Mitsuhiro Nakadai (JAXA), Masahide Oshima (SUS), Kohi Tanaka (JAXA)
pp. 57 - 62
WPT2025-69
Analysis of Beam Pattern Control and Rectenna Array Configurations in Wireless Power Transfer Systems
Shinnosuke Sano (Hosei), Naoki Warigai, Matsutomo Tomu (SUS), Kawai Yumi (Hosei), Yamato Nishida (SUS), Yasuaki Hasegawa, Kazuhiro Ishihara, Motoki Oshima (NIPPON ANTENNA), Kazuyoshi Arai (Hosei), Kouji Tanaka (JAXA)
pp. 63 - 67
WPT2025-70
Study on High-Efficiency Beamforming in the Radiating Near Field Considering the Shape of the Receiving Rectenna
Yuki Kagata, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)
pp. 68 - 73
WPT2025-71
Performance Improvement of a Beam-Scanning Slot Array Antenna in the 28GHz Band
Shunta Kameo, Naoki Shinohara (Kyoto Univ.), Bo Yang (Xidian Univ.), Tomohiko Mitani (Kyoto Univ.)
pp. 74 - 78
WPT2025-72
Interference Study of Power Transmission Microwaves to a Pilot Signal Receiving Antenna for the Satellite Experiment
Shun Yoshinari, Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.)
pp. 79 - 83
WPT2025-73
Research on a Wireless Power Transfer Experimental System Using Formation-Flying Satellites for Space Solar Power Station
Taichi Onishi, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)
pp. 84 - 89
WPT2025-74
A 24 GHz band WPT receiving system with a stabilized power of 9.6 W (1)
-- A 16-element rectenna array with an output DC power of 11.2 W --
Ryosuke Sato, Kazuki Ishizuka, Keiji Nisikawa, Nobuyori Yaeo, Naoki Sakai, Kenji Ito (KIT)
pp. 90 - 95
WPT2025-75
A 24GHz band WPT receiving system with a stabilized DC power 9.6 W (2)
-- A highly efficient output DC power combiner with DC/DC converters --
Kazuki Ishizuka, Ryosuke Sato, Keiji Nishikawa, Nobuyori Yaeo, Naoki Sakai, Kenji Itoh (KIT)
pp. 96 - 101
WPT2025-76
Measurement of 5.8-GHz-band 1.4m × 6.4m Textile Deployable Reflectarray for Satellite Applications
Kosei Kikuchi, Yuki Takeda, Hiraku Sakamoto, Takashi Tomura (Science Tokyo), Shunsuke Inagaki, Tomoya Takeuchi, Toshiyuki Takahashi (SEIREN)
pp. 102 - 105
WPT2025-77
Development of Wideband Antennas(VI)
Hideki Ujihara, Hideyuki Nosaka (Ritsumeikan Univ.), Hiroshige Yamaguchi, Hiroaki Misawa, Fuminori Tsuchiya (Tohoku Univ.), Hajime Kita (Tohoku Inst. Tech.), Tomohiko Mitani (Kyoto Univ.)
pp. 106 - 109
WPT2025-78
Development and Performance Evaluation of a 15-29 GHz Feed Horn for a Offset Gregorian Antenna
Masanari Miyazaki, Shotaro Koyama, Hideo Ogawa, Toshikazu Onisi (OMU), Kotaro Niinuma (YGC), Kazuyoshi Sunada, Yasumasa Yamasaki (NAOJ), Hideyuki Kobayashi (NARIT)
pp. 110 - 113
WPT2025-79
Integrated 2.45 GHz CMOS Class-E PA and Matched Antenna Design for Low-Cost Wireless Power Transfer to IoT Devices
Yoshimori Kaneshiro, Takato Hirata, Hiroki Matsumoto (OIT)
pp. 114 - 118
WPT2025-80
Study on a Low-Loss Small-Size 360-deg. Phase Shifter for 5.8-GHz Wireless Power Transfer
Tomoki Yoshida, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.), Bo Yang (Xidian Univ.)
pp. 119 - 124
WPT2025-81
Experimental Study on Injection-Locking of a 5.8GHz Magnetron Without Waveguide Circulators
Wang Shaoyue (SCU/KTU), Yang Bo (XDU), Liu Changjun (SCU), Naoki Shinohara (KTIU), Hsu Hengming (NCHU)
pp. 125 - 127
WPT2025-82
Fundamental Review of the Input Impedance Characteristics of a Single Slot Antenna
Mayumi Matsunaga (Shizuoka Univ.)
pp. 128 - 132
WPT2025-83
An Analytical Harmonic-Aware Model for Predicting Diode Loss and Output Power in RF Rectifiers
Lyu Qingkun, Nishikawa Kenjiro (Kagoshima Univ.)
pp. 133 - 138
WPT2025-84
Observations of WPTs and Communication signals by Wideband Real-time Spectrum monitor Using Direct RF Undersampling Method
Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.)
pp. 139 - 144
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.