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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AI | 2022-07-04 11:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Efficient Query Solution and Highly Compressed Indexing for Large RDF Graphs Koji Fujiwara, Ken Kaneiwa (UEC)  AI2022-6 |
The number and size of RDF graphs on the Web grow continuously and demand efficient solutions with compressed data stora... [more] | AI2022-6 pp.31-36 |
| US | 2022-01-25 11:00 |
Online | Online | Effects of ultrasound vibration on differentiation of PC12 cells Haruki Maruyama, Koji Fujiwara, Ryohei Hashiguchi, Daisuke Koyama (Doshisha Univ.), Masahiro Kumeta (Kyoto Univ.) US2021-58 |
Cell culture techniques for the applications in regenerative medicine have been studied, and our group have been also in... [more] | US2021-58 pp.1-4 |
| US, EA (Joint) |
2018-01-24 14:05 |
Osaka | Patterning technique of adhesive cells using ultrasound vibration Kentaro Tani, Koji Fujiwara, Daisuke Koyama (Doshisha Univ.) US2017-108 |
In the molecular biological field, techniques to control growth direction and differentiation induction of cells using c... [more] | US2017-108 pp.141-144 |
|
| EMCJ, IEE-EMC, MW, EST [detail] | 2015-10-23 09:00 |
Miyagi | Sakura Hall, Katahira Campus, Tohoku Univ. | Performance estimation and design method of the electromagnetic shield room for the magnetic field in kHz frequency band Takehiro Tsuruta, Hirosato Shigetaka (Takenaka Corporation), Fujiwara Koji (Doshisha Univ) EMCJ2015-70 MW2015-109 EST2015-80 |
The shielding effectiveness of infinite plane material is considered by Schelkunoff equation. Because of the effect of j... [more] | EMCJ2015-70 MW2015-109 EST2015-80 pp.75-80 |
| EE | 2015-01-30 12:30 |
Kumamoto | Sakura-No-Baba JOSAIEN | Study on Technology of Wireless Power Transfer to High Voltage Region with Data Transfer Function Junki Ishizaki (Doshisha Univ), Toshihiro Kubo, Yoshio Matsubara (Nissin Electric), Yasuhito Takahashi, Koji Fujiwara (Doshisha Univ) EE2014-37 |
In electron beam processing system and ion implantation devices, since it is necessary to supply electric power to their... [more] | EE2014-37 pp.49-53 |
| EE, WPT (Joint) |
2014-11-19 10:25 |
Kyoto | Doshisha University | A Novel 6.78MHz Experimental Results of a ZVS Push-pull Class-E Direct-Current-Resonance Wireless Power Transfer Toru Yoshikawa (Doshisha Univ.), Tatsuya Hosotani (Murata Manufacturing), Koji Fujiwara (Doshisha Univ.) WPT2014-58 |
The direct current resonance is a new technology that makes it possible to convert DC electric energy into electromagnet... [more] | WPT2014-58 pp.43-48 |
| EE, WPT, IEE-SPC (Joint) [detail] |
2013-07-25 13:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Novel Analysis of Direct Current Resonance Class-E Multi-Resonant ZVS Wireless Power Transfer System Operated in 10MHz Range Toru Yoshikawa (Doshisha Univ.), Tatsuya Hosotani (Murata Manufacturing), Koji Fujiwara (Doshisha Univ.) EE2013-9 |
We present a novel analysis of Direct Current Resonance class -E multi-resonant ZVS wireless power transfer system ope... [more] | EE2013-9 pp.7-12 |
| EE, CPM | 2013-01-25 11:40 |
Kumamoto | Study on Technology Suitable to Long Gap Wireless Power Transfer to High Voltage Region Ryota Gondo (Doshisha Univ.), Toshihiro Kubo, Yoshio Matsubara (NISSIN), Yasuhito Takahashi, Koji Fujiwara (Doshisha Univ.) EE2012-49 CPM2012-171 |
In electron beam processing system and ion implantation devices, it is necessary to supply electric power to their high ... [more] | EE2012-49 CPM2012-171 pp.123-128 |
|
| EE, CPM | 2013-01-25 12:05 |
Kumamoto | Development of High Efficiency Contactless Power Transfer System for Electric Vehicle Akitaka Yoshikawa, Yasuhito Takahashi, Koji Fujiwara (Doshisha Univ.) EE2012-50 CPM2012-172 |
This paper investigates contactless power transfer system for electric vehicle. A series-parallel resonant full-bridge D... [more] | EE2012-50 CPM2012-172 pp.129-134 |
|
| EE, CPM | 2013-01-25 13:55 |
Kumamoto | A Novel Study for a 10MHz-Class Multi-Resonant ZVS Wireless Power Transfer System with Switching Resonant Electromagnetic Field Yuichiro Obayashi (Doshisha Univ.), Tatsuya Hosotani (Murata Manufacturing Company, Ltd.), Koji Fujiwara (Doshisha Univ.) EE2012-52 CPM2012-174 |
(To be available after the conference date) [more] | EE2012-52 CPM2012-174 pp.141-146 |
|
| EE | 2012-10-12 10:30 |
Tokyo | A Novel design for a Multi-Resonant ZVS Wireless Power Transfer System with Electromagnetic Field Resonant Coupling Using Two Loop Coils Tatsuya Hosotani (Murata Manufacturing Company), Yuichiro Obayashi (oshisha Univ.), Koji Fujiwara (Doshisha Univ.) EE2012-17 |
We present a novel design for a multi-resonant ZVS wireless power transfer system with electromagnetic field resonant co... [more] | EE2012-17 pp.9-14 |
|
| EMCJ | 2012-01-27 10:30 |
Fukuoka | Kyushu Univ. | Estimation Method of Current Distribution by Measurement of Magnetic Near-field for EMC Evaluation of Power Circuit Makoto Matsuoka, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.) EMCJ2011-115 |
This paper presents an estimation method of current distribution by measurement of magnetic near-field from power circui... [more] | EMCJ2011-115 pp.25-29 |
| EE | 2012-01-26 09:55 |
Nagasaki | Experimental Verification of Isolated Bidirectional DC-DC Converter Masayuki Kato, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.), Kazuya Sugawara, Masashi Ogura, Yoshifumi Minowa, Nobuhiro Kurio (Nissin Electric Co.,LTD.) EE2011-45 |
Here we proposes an isolated bidirectional DC-DC converter that is suitable for use in a low-voltage, large-current batt... [more] | EE2011-45 pp.81-86 |
|
| EE | 2012-01-26 10:45 |
Nagasaki | Study of measurement method of magnetic property of magnetic materials for reactor Kazushige Hashimoto, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.) EE2011-47 |
In this paper, measurement method of DC-biased and AC magnetic properties with dust core developed for reactor is descri... [more] | EE2011-47 pp.91-96 |
|
| EE | 2012-01-26 11:10 |
Nagasaki | Study on Characteristics of Contact-less Power Transfer System Using F-parameter Analysis Akitaka Yoshikawa, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.), Masayuki Shirai, Atsushi Inoue, Ikuya Katanaya (NICHIYU) EE2011-48 |
This paper evaluates several characteristics in standard state, which has a 50-mm gap change between the primary coil an... [more] | EE2011-48 pp.97-102 |
|
| EE | 2011-01-27 15:45 |
Kumamoto | Influence of Switching Device Output Capacitance for Circuit Operation and Efficiency in Bidirectional DC-DC Converter Masayuki Kato, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ), Masashi Ogura, Yoshifumi Minowa, Nobuhiro Kurio (Nissin Electric Co.,LTD.) EE2010-29 |
This paper presents a influence of switching device output capacitance for circuit operation and efficiency of a propose... [more] | EE2010-29 pp.5-9 |
|
| EE | 2011-01-27 16:10 |
Kumamoto | A Novel Multi-Resonant Current ZVS Converter Operated in Fixed Frequency Tatsuya Hosotani (Murata manufacturing), Akihiro Sawada, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.) EE2010-30 |
We propose a novel multi-resonant current ZVS converter operated in fixed frequency. Output power is modulated by the c... [more] | EE2010-30 pp.11-16 |
|
| CPM, EE | 2010-02-01 13:30 |
Kyoto | ZVS Half-bridge Converter with an Integrated Magnetic Transformer Using Synchronous Rectifier Technique. Akihiro Sawada (Doshisha Univ.), Tatsuya Hosotani (Murata Manufacturing), Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.) EE2009-62 CPM2009-154 |
A novel ZVS half-bridge converter with an integrated magnetic transformer using synchronous rectifier technique and a ne... [more] | EE2009-62 CPM2009-154 pp.39-44 |
|
| EE | 2010-01-22 11:30 |
Fukuoka | Characteristic of Contact-less Power Transfer System Based on the Series-parallel Resonance and Current Doubler (2) Satoshi Yamamoto, Yoshitaka Tawata, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ), Kazufumi Naito, Kouzou Terunuma (SHINKO DENSHI) EE2009-45 |
This paper deals with a full-bridge DC-DC converter utilizing series-parallel resonance and current doubler for a contac... [more] | EE2009-45 pp.53-58 |
|
| EE | 2010-01-22 13:00 |
Fukuoka | Experimental Verification of A Voltage clamp ZVS-PWM Bidirectional DC-DC Converter Masahiro Kitagawa, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.), Masashi Ogura, Yoshifumi Minowa, Nobuhiro Kurio (Nissin Electric) EE2009-46 |
This paper proposes an isolated bidirectional DC-DC converter that is suitable for use in a low-voltage, large-current b... [more] | EE2009-46 pp.59-64 |
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