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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2024-01-17 16:25 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Estimation of transmission loss in several types of window glass at 29GHz using optimization methods Masaya Takahashi, Shoma Tanaka, Sho Kimura, Ho-Yu Lin, Akihiro Sato (SoftBank)  AP2023-166 |
With the commercialization of the 5th Generation mobile communication system (5G), there has been a need to study how to... [more] | AP2023-166 pp.35-40 |
| RCS, AP, UWT (Joint) |
2022-11-17 15:25 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Wideband design of a single-layer dual-band multi-ring microstrip antenna fed by an L-probe Masaya Takahashi, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2022-172 |
This paper presents wideband design of a single-layer dual-band multi-ring microstrip antenna (MR-MSA) fed by an L-probe... [more] | AP2022-172 pp.139-144 |
| QIT (2nd) |
2021-12-01 09:00 |
Online | Online | Direct measurement of matrix elements of density-, process- and measurement-matrices using diagrammatic representation Masaya Takahashi (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.), Akihisa Tomita (Hokkaido Univ.) |
Quantum systems are characterized by density operators for the states, process operators for the time evolution, and POV... [more] | |
| EE, IEE-SPC (Joint) |
2021-03-01 15:50 |
Online | Online | A Multiport Bi-Directional On-Board Charger Combined with Isolated Current-Resonant Converter and Buck Converters Ryo Oishi, Kimihiro Nishijima, Sakai Eiji (Sojo Univ.), Keisuke Tani, Nobuhisa Yamaguchi, Masaya Takahashi, Yusei Nakayashiki (DENSO) EE2020-42 |
A multi-output bi-directional isolated DC-DC converter for charging main battery and sub-batteries of electric vehicle i... [more] | EE2020-42 pp.13-18 |
| EE, IEE-SPC, IEE-EDD (Joint) |
2017-11-21 10:45 |
Kagoshima | Kagoshima Univ. | Experimental Verification of Current Sensorless ZVS Assist Control Based on Voltage Transition Waveform Masaya Takahashi, Nobuhisa Yamaguchi, Eisuke Takahashi, Kazuyoshi Obayashi (DENSO), Kimihiro Nishijima (Oita Univ.) EE2017-41 |
The main cause of an efficiency degradation in a DC to DC converter is a switching loss. ZVS assist circuit is known as ... [more] | EE2017-41 pp.33-38 |
| EE | 2016-01-28 15:20 |
Fukuoka | KURUME HOTEL ESPRIT | A Input Connection Type Magnetically Coupled ZVS Assistance Circuit Kimihiro Nishijima, Kenta Teshima (Oita Univ), Masaya Takahashi, KeisukeTani (Denso) EE2015-10 |
[more] | EE2015-10 pp.7-12 |
| ET | 2014-11-14 16:05 |
Osaka | Osaka Prefecture University (Nakamozu Campus) | Usability evaluation of system for children Aya Takahashi (SNCT), Shun Yamashita (Toyohashi Univ. of Tech.), Takayuki Sato (Univ. of Kitakyushu), Yoshiaki Rikitake (SNCT) ET2014-71 |
We are now developing a web application system with which children can compose their original music. In order to evaluat... [more] | ET2014-71 pp.57-61 |
| EE | 2011-10-07 16:00 |
Chiba | Makuhari-Messe | A High Efficiency High Power Density AC-DC Converter with Holdup time Extension Capability Masaya Takahashi, Kimihiro Nishijima, Terukazu Sato, Takashi Nabeshima (OitaUniv.) EE2011-22 |
This paper proposes a two-phase PFC circuit for keeping a constant output-voltage even under holdup time. The proposed c... [more] | EE2011-22 pp.23-29 |
| OME | 2011-09-22 13:55 |
Osaka | Osaka City Central Public Hall | Swept-wavelength tunable laser in liquid crystal film possessing helical order Yo Inoue, Hiroyuki Yoshida, Kenta Inoue, Yusuke Shiozaki, Masaya Takahashi, Akihiko Fujii, Masanori Ozaki (Osaka Univ.) OME2011-41 |
Wavelength-swept lasing is demonstrated by using a cholesteric liquid crystal film dispersed with liquid crystal droplet... [more] | OME2011-41 pp.5-8 |
| EE, CPM | 2011-02-10 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Electrochemical properties of ramsdellite-type lithium titanium oxides as negative electrode material for lithium secondary batteries Elly Setiawati, Masahiko Hayashi, Masaya Takahashi, Takahisa Shodai, Keiichi Saito (NTT Corp.) EE2010-45 CPM2010-139 |
The development of lithium secondary battery for backup power application is being focused mainly on the safety and capa... [more] | EE2010-45 CPM2010-139 pp.19-23 |
| EE | 2010-10-08 11:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Light Load Efficiency Improvement Technique by using MOSFET driver Masaya Takahashi, Kimihiro Nishijima, Michihiko Nagao, Terukazu Sato, Takashi Nabeshima (Oita Univ.) EE2010-19 |
A novel light load efficiency improvement technique have been proposed by previous reports. In this technique, during th... [more] | EE2010-19 pp.21-26 |
| EE | 2009-11-27 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Hybrid Converter for Improving Light Load Efficiency Masaya Takahashi, Kimihiro Nishijima, Terukazu Sato, Takashi Nabeshima (Oita Univ), Koosuke Harada (Sojyo Univ) EE2009-33 |
In order to improve efficiencies of stand-by mode，idling mode and sleep mode of the electronic equipment，an efficiency i... [more] | EE2009-33 pp.25-29 |
| EE, IEE-IEA | 2008-05-09 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Electrochemical Properties of Thin-Film Lithium Secondary Batteries Using Positive LiCoO2 Films Prepared by ECR Sputtering Method Masahiko Hayashi, Masaya Takahashi, Takahisa Shodai (NTT) |
Well-crystallized positive LiCoO2 films for thin-film lithium secondary batteries were obtained without a post-annealing... [more] | EE2008-1 pp.1-6 |
| CPM, EE | 2007-03-02 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Development of All-Solid-State Thin-Film Lithium Secondary Batteries Masahiko Hayashi, Masaya Takahashi, Yoji Sakurai, Takahisa Shodai (NTT) EE2006-64 CPM2006-157 |
All-solid-state thin-film lithium secondary batteries are expected as power sources of small-sized and ultra-thin electr... [more] | EE2006-64 CPM2006-157 pp.15-20 |
| CAS | 2006-01-11 14:00 |
Miyazaki | Score Sequence Pair Problems of (r11,r12,r22)-Tournaments
-- Construction -- Masaya Takahashi (Fukuoka Inst. of Tech./Waseda Univ), Takahiro Watanabe, Takeshi Yoshimura (Waseda Univ) |
Let G be any graph with the property P (for example, general graph, directed graph, etc.) and S be nonnegative and non-d... [more] | CAS2005-70 pp.1-6 |
|
| IT | 2005-09-27 17:05 |
Fukushima | Aizu Univ. | Development of certificate verification system for mobile services Katsuyuki Umezawa, Aya Takahashi, Hiroki Uchiyama, Mitsuhiro Oikawa, Hisao Sakazaki, Mitsuhiro Oikawa, Seiichi Susaki (Hitachi, Ltd.), Shigeichi Hirasawa (Waseda Univ.) |
It is indispensable to verify a public key certificate strictly in order to check a communication partner's justificatio... [more] | IT2005-59 pp.49-54 |
| COMP | 2005-01-28 16:10 |
Aichi | Nagoya University | Score Sequence Pair Problems of (r11,r12,r22)-Tournaments
-- Determination -- Masaya Takahashi (Fukuoka Inst. of Tech./Waseda Univ.), Takahiro Watanabe, Takeshi Yoshimura (Waseda Univ.) |
[more] | COMP2004-72 pp.97-106 |
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