IEICE Technical Report

Online edition: ISSN 2432-6380

Wireless Power Transfer

Workshop Date : 2025-06-27 / Issue Date : 2025-06-20

WPT2025-9
A Study on Maximum Efficiency of Bidirectional Inductive Power Transfer
Yuta Fukushima, Duong QuangThang (OIT)
pp. 1 - 5

WPT2025-10
A rectifier model capable of handling various average input power levels using multiple neural networks
Hiroto Sakaki (Mitsubishi Electric Corporation), Kenjiro Nishikawa (Kagoshima Univ.)
pp. 6 - 10

WPT2025-11
Verification of Dynamic Impedance Tuning Method Using Complex MPPT Circuit
Shouta Iida (NIT), Hiroshi Hirayama (SIT)
pp. 11 - 15

WPT2025-12
[Invited Lecture] GaN Power Amplifiers for Far-field Wireless Power Transfer
Keigo Nakatani, Yutaro Yamaguchi, Akihito Hirai, Koji Yamanaka (Mitsubishi Electric)
pp. 16 - 20

WPT2025-13
[Invited Lecture] Development of Sub-GHz WPT system
Yuki Tanaka, Hikaru Hamase, Hiroyuki Tani (Panasonic Holdings)
pp. 21 - 25

WPT2025-14
Design of a 28 GHz Beam-Scannable Slot Array Antenna
Bo Yang, Shunta Kameo, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)
pp. 26 - 29

WPT2025-15
Demonstration of Communication and WPT Integrated System Using Large-Aperture Simplified-Control Phased Array Antenna and mmWave Rectenna Array
Yuta Nakamoto, Naoki Hasegawa, Takashi Hirakawa (SoftBank), Bo Yang, Naoki Shinohara (Kyoto Univ.), Naoki Sakai, Kenji Itoh (KIT), Yoshichika Ohta (SoftBank)
pp. 30 - 33

WPT2025-16
Compact and High-Efficiency Wireless Power Transfer System Using 5.7GHz Band Microwaves
Toshiya Mitomo, Kazuki Arai, Koichiro Ban, Kentaro Taniguchi (Toshiba Corp.)
pp. 34 - 37

WPT2025-17
[Invited Talk] A 24-30-GHz 5G Phased Array Antenna and It's Application to Millimeter-wave Wireless Power Transfer
Ning Guan (Fujikura)
pp. 38 - 43

WPT2025-18
A Phased Array Antenna for 24GHz Wireless Power Transfer Application
Shailendra Kaushal, Yuki Suto (Fujikura), Naoki Sakai, Ryosuke Sato, Kenji Itoh (KIT), Ning Guan (Fujikura)
pp. 44 - 47

WPT2025-19
Equipment characteristics and propagation characteristics of 24GHz band power transmission equipment
Noboru Sekino, Susumu Miura, Yoshiki Shirasawa (DKK)
pp. 48 - 52

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan