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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT, MW | 2025-04-18 13:25 |
Tokyo | Toyosu-campus, Shibaura Institute of Technology (Primary: On-site, Secondary: Online) |
24 GHz band GaAs 1 W rectenna on the aluminum nitride antenna for thermal dispersion Ryosuke Sato, Naoki Sakai, Masaomi Tsuru, Keisuke Noguchi, Kenji Itoh (Kanazawa I T.) |
[more] | |
| WPT, MW | 2025-04-18 14:00 |
Tokyo | Toyosu-campus, Shibaura Institute of Technology (Primary: On-site, Secondary: Online) |
A dual-band low power rectenna with a double loop antenna Taiki Hirase, Naoki Sakai, Kenji Itoh (Kanazawa IT.) |
[more] | |
| WPT, MW | 2025-04-18 15:00 |
Tokyo | Toyosu-campus, Shibaura Institute of Technology (Primary: On-site, Secondary: Online) |
Improved image rejection ratio with high I/Q isolation for high-order harmonics in an even harmonic quadrature mixer exciting quantum bit Kosuke Ito, Takaaki Michishita, Masaomi Tsuru, Naoki Sakai, Kenji Itoh (Kanazawa IT) |
[more] | |
| WPT | 2025-03-10 14:35 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
5.8GHz band rectenna with DoA topology for receiving circular polarization Ryohei Takaya, Ryosuke Sato, Naoki Furutani, Naoki Sakai, Masaomi Tsuru, Kenji Itoh (KIT)  WPT2024-47 |
In wireless power transfer systems for mobile vehicles such as UAVs, employment of circularly polarized transmitting and... [more] | WPT2024-47 pp.43-47 |
| WPT | 2025-03-11 10:55 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Wireless power transfer technologies to support lifestyles of future
-- Measurement results and application proposals of the 920 MHz band wireless power transfer with the specified low power radio station -- Yudai Tondokoro, Taiki Hirase, Akinobu Kobayashi, Shotaro Machida, Naoki Sakai, Kenji Itoh (KIT) WPT2024-56 |
This paper shows "Future society created by wireless power transfer system," which was presented at the WPT contest held... [more] | WPT2024-56 pp.87-90 |
| WPT | 2025-03-11 16:40 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Performance verification of rectenna devices for wireless power transmission experiments in the OHISAMA project Naoki Warigai, Yuta Hirai (Suwa University of Science), Ryohei Orii, Takeru Nakamura (SOKENDAI), Yasuaki Hasegawa, Kazuhiro Ishihara, Motoki Oshima (NIPPON ANTENNA Co., Ltd.), Naoki Sakai, Kenji Ito (KIT), Hitomi Inada (JSS), Masahide Oshima (Suwa University of Science), Koji Tanaka (JAXA) |
Space solar power satellites convert solar-generated electricity in space into microwaves, which are then wirelessly tra... [more] | WPT2024-66 pp.131-134 |
| MW | 2025-03-07 11:45 |
Shimane | Taisha Urara-kan Culrural Hall (Primary: On-site, Secondary: Online) |
Ka-band high-power rectification with GaAs E-pHEMT gated anode diode Yuya Hirose, Naoya Kakutani, Fumiya Komatsu, Naoki Sakai, Masaomi Tsuru, Kenji Itoh (Kanazawa IT.) MW2024-188 |
[more] | MW2024-188 pp.106-112 |
| MW, ED | 2025-01-23 14:50 |
Tokyo | fukaya-kouminkan (Primary: On-site, Secondary: Online) |
Optimization of threshold voltage of high-power rectifier diodes Yuya Hirose, Naoki Sakai, Masaomi Tsuru, Kenji Itoh (Kanazawa IT.) ED2024-70 MW2024-156 |
[more] | ED2024-70 MW2024-156 pp.24-29 |
| AP, WPT (Joint) |
2025-01-24 11:10 |
Shimane | Rokan, Matsue (Primary: On-site, Secondary: Online) |
Development of a 5.75GHz 5W Rectenna System Using a Slot-Coupled Feed Antenna Kazuhiro Ishihara, Yasuaki Hasegawa, Lianchong Yan, Motoki Oshima (Nippon Antenna), Naoki Sakai, Kenji Itoh (Kanazawa IT.) WPT2024-36 |
In this report, we show that we have developed a new rectenna system using a highly efficient rectenna configuration tha... [more] | WPT2024-36 pp.17-20 |
| WPT | 2024-12-12 11:05 |
Ishikawa | Ohgigaoka Campus, Kanazawa Institute of Technology (Primary: On-site, Secondary: Online) |
5.8 GHz band multi-stage stacked type double voltage rectifier MMIC Yuya Hirose, Naoki Sakai, Masaomi Tsuru, Kenji Itoh (Kanazawa IT.) WPT2024-27 |
Lower output DC voltage of rectifiers is important to improve efficiencies of DC/DC converters that are connected to out... [more] | WPT2024-27 pp.17-21 |
| WPT, EE (Joint) |
2024-10-11 14:20 |
Kyoto | Wood Composite Hall, Kyoto Univ. (Primary: On-site, Secondary: Online) |
A 28GHz band GaAs rectenna array with a wire-loop antenna Akinobu Kobayashi, Yudai Tondokoro, Keisuke Noguchi, Naoki Sakai, Kenji Itoh (Kanazawa IT) WPT2024-23 |
In this report, a 28 GHz-band highly efficient GaAs rectenna array is demonstrated for the migrated system with the B5G/... [more] | WPT2024-23 pp.44-49 |
| AP, MW (Joint) |
2024-09-20 14:20 |
Kagawa | Takamatsu Chamber of commerce (Primary: On-site, Secondary: Online) |
A highly efficient small-sized wire-loop antenna for a highly sensitive 28 GHz band SOI-CMOS rectenna MMIC Yudai Tondokoro, Akinobu Kobayashi, Naoki Sakai, Masaomi Tsuru, Keisuke Noguti, Kenji Itoh (KIT) MW2024-88 |
In our previous report, the 28 GHz band high sensitive 45nm SOI-CMOS rectenna MMIC was demonstrated. It is consisting of... [more] | MW2024-88 pp.31-36 |
| MW | 2024-05-16 14:30 |
Osaka | Osaka University Toyonaka Campus (Primary: On-site, Secondary: Online) |
Improved image rejection with correction of I/Q amplitude and phase errors in an even harmonic quadrature mixer Takaaki Michishita, Kousuke Ito, Masaomi Tsuru, Naoki Sakai, Kenji Itoh (KIT) MW2024-8 |
This paper describes improved image rejection with correction of I/Q amplitude and phase errors in an even harmonic quad... [more] | MW2024-8 pp.1-6 |
| MW, WPT | 2024-04-18 14:05 |
Kanagawa | Kanagawa University (Primary: On-site, Secondary: Online) |
A high-dynamic range 5.8 GHz band 1 W rectifier MMIC with low threshold voltage GaAs GADs Yuya Hirose (Kanazawa IT.), Gaku Kato, Takamasa Kono (Nisshinbo Micro Devices), Naoki Sakai, Kenji Itoh (Kanazawa IT.) WPT2024-4 MW2024-4 |
[more] | WPT2024-4 MW2024-4 pp.18-22 |
| MW | 2024-02-29 13:25 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
High Dynamic Range 920 MHz Band Low Power Rectenna with Low Threshold voltage GaAs GADs Taiki Hirase, Yuya Hirose, Tsukasa Hirai (Kanazawa IT.), Gaku Kato, Takamasa Kono (Nisshinbo Micro Devices), Naoki Sakai, Kenji Itoh (Kanazawa IT.) MW2023-179 |
In In this paper, the 920 MHz band low power rectifiers with low threshold voltage GaAs gated anode diodes (GADs) are de... [more] | MW2023-179 pp.25-30 |
| MW | 2024-03-01 14:30 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
[Special Talk]
A 2.4-GHz 10 W-Class Bridge Rectifier and Its Efficiency Analysis With the Behavioral Model Koichi Kikkawa, Tsunehiro Saen, Naoki Sakai, Kenji Itoh (KIT) MW2023-195 |
This paper presents a 2.4 GHz band 10 W-class bridge rectifier that achieves a high measured efficiency of 90.2%. To cla... [more] | MW2023-195 pp.104-109 |
| MW | 2023-12-22 11:15 |
Shizuoka | Shizuoka University (Hamamatsu Campus) (Primary: On-site, Secondary: Online) |
28 GHz band highly efficient GaAs rectenna MMIC with EM coupling structure for an external highly efficient wire antenna Naoki Sakai, Yudai Tondokoro, Akinobu Kobayashi, Keisuke Noguchi, Masaomi Tsuru, Kenji Itoh (KIT) MW2023-156 |
This paper presents the rectenna structure with a wire-loop antenna for highly efficient rectification. In the structure... [more] | MW2023-156 pp.41-47 |
| MW | 2023-11-16 15:20 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
An even harmonic quadrature mixer MMIC for quantum bits' exciting Yusuke Ohmori, Kousuke Itou, Takaaki Michishita, Tsukasa Hirai, Masaomi Tsuru, Naoki Sakai (KIT), Shinichi Morisaka, Hidehisa Shiomi, Makoto Negoro (Osaka Univ.), Kenji Itoh (KIT) MW2023-133 |
This paper describes a prototype of an even harmonic quadrature mixer MMIC used for a microwave source exciting supercon... [more] | MW2023-133 pp.37-42 |
| MW | 2023-11-17 10:20 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
A multi-stage stacked type microwave rectifier for step-downed DC voltage Yuya Hirose, Naoki Sakai, Kenji Itoh (Kanazawa IT.) MW2023-140 |
[more] | MW2023-140 pp.76-80 |
| MW | 2023-11-17 10:45 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
A 28 GHz band SOI-CMOS highly sensitive rectenna MMIC with an impedance transformed loop antenna Yuudai Tondokoro, Naoya Kakutani, Akinobu Kobayashi, Tukasa Hirai, Naoki Sakai, Kenji Itoh (KIT) MW2023-141 |
In this report, A 28 GHz band SOI-CMOS highly sensitive rectenna MMIC is demonstrated for millimeter wave WPT systems in... [more] | MW2023-141 pp.81-86 |
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