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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, WPT
(Joint)		 2024-01-18
11:20		 Niigata Tokimate, Niigata University
(Primary: On-site, Secondary: Online)		 Capacitive Wireless Power Transfer System with a 3D Functional Coupler for Maintenance Free Industrial Robots
Yasumasa Naka, Akihiko Ishiwata, Masahiro Shibata (Toyohashi Univ.), Takuya Kondo (Konsei.), Masaya Tamura (Toyohashi Univ.) WPT2023-32		 This paper presents a capacitive wireless power transfer system that employs a three dimensional (3D) functional coupler... [more] WPT2023-32
pp.12-16
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:20		 Yamagata Yamagata University
(Primary: On-site, Secondary: Online)		 Load-Independent Class-E Inverter Design Focusing on External Quality Factor
Akihiko Ishiwata, Yasumasa Naka, Masaya Tamura (Toyohashi Univ. of Tech.) EMCJ2023-57 MW2023-111 EST2023-84		 The Load-Independent ZVS Class-E Inverter has attracted attention as a power supply circuit for WPT systems. The inverte... [more] EMCJ2023-57 MW2023-111 EST2023-84
pp.113-118
WPT 2023-03-17
12:35		 Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)		 [Poster Presentation] An impedance matching circuit for 13.56 MHz focusing on circuit topology and Q-factor of inductor
Yasumasa Naka (TUT) WPT2022-50		 An impedance matching circuit is fabricated focusing on circuit topology and an unloaded Q-factor of inductor to take pa... [more] WPT2022-50
pp.91-93
MW 2022-05-20
13:00		 Kyoto Kyoto Univ.
(Primary: On-site, Secondary: Online)		 Formulation of kQ theory for underwater capacitive wireless power transfer
Yasumasa Naka, Masaya Tamura (Toyohashi Univ.) MW2022-20		 kQ theory is a significant guideline to design a high-efficient capacitive coupler for wireless power transfer. However,... [more] MW2022-20
pp.28-31
MW, WPT 2022-04-15
10:30		 Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)		 Capacitive wireless power transfer system with misalignment tolerance
Yasumasa Naka, Minoru Mizutani, Shinji Abe, Takashi Ohira (PW) WPT2022-2 MW2022-2		 This report presents a capacitive wireless power transfer system with misalignment tolerance of a wireless coupler. We e... [more] WPT2022-2 MW2022-2
pp.6-9
WPT
(2nd)		 2017-12-09
- 2017-12-11		 Overseas National University of Singapore(AWPT2017) Measurement of complex permittivity for fresh water under high electric field
Kousuke Murai, Yasumasa Naka, Takuma Nakata, Masaya Tamura (Toyohashi Tech) 		In this paper, we reveal the complex permittivity properties of fresh water under a high electric field. First, the meas... [more]
WPT
(2nd)		 2017-12-09
- 2017-12-11		 Overseas National University of Singapore(AWPT2017) Design of Capacitive Coupler for High Efficiency Wireless Power Transfer Under Fresh Water
Yasumasa Naka, Kosuke Murai, Masaya Tamura (Toyohashi Tech.) 		This paper describes a design method of the capacitive coupler achieving the improvement in efficiency underwater wirele... [more]
WPT, EMCJ
(Joint)		 2017-11-21
13:50		 Tokyo Kikai-Shinko-Kaikan Bldg. Design of coupler for high efficiency wireless power transfer under fresh water with electric coupling
Yasumasa Naka, Kosuke Murai, Masaya Tamura (Toyohashi Univ. ot Tech.) WPT2017-49		 This report describes a design method of the capacitive coupler achieving the high efficiency underwater wireless power ... [more] WPT2017-49
pp.27-31
WPT 2017-02-10
15:25		 Kanagawa YRP center, 1st Bldg. Proposal of Underwater Wireless Power Transfer with Electric Coupling Method
Yasumasa Naka, Kyohei Yamamoto, Takuma Nakata, Masaya Tamura (TUT) WPT2016-61		 In this paper, underwater wireless power transfer with electric coupling method is proposed. First, by using 3D electrom... [more] WPT2016-61
pp.23-26
EMCJ, WPT
(Joint)		 2016-01-28
11:45		 Kumamoto Kumamoto National Colle. Technology Study on Extraction Method for Complex Permittivity of Liquid Phase under High Power RF
Masaya Tamura, Kyohei Yamamoto, Yasumasa Naka (TUT) WPT2015-65		  [more] WPT2015-65
pp.11-14
WPT
(2nd)		 2015-12-11
15:10		 Overseas TamKang University, Tamsui Campus Extraction of Complex Permittivity for Liquid Phase under RF High Power
Kyohei Yamamoto, Yasumasa Naka, Masaya Tamura (Toyohashi Univ. Tech.) 		The complex permittivity of water is a crucial factor in the development of wireless underwater power transfer. Since th... [more]
IE, MVE 2008-07-14
14:30		 Nagano Shinshu University Object-Base Watermarking Robust to Non-Linear Geometrical Image Distortion Attacks and Its WEB Application
Toshihiko Yamasaki, Yasumasa Nakai, Kiyoharu Aizawa (Univ. of Tokyo) IE2008-33 MVE2008-27		  [more] IE2008-33 MVE2008-27
pp.1-6
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