Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11677330 | Power conversion device, power conversion system, and power conversion method | Kentaro INOMATA, Akira Yamazaki, Masato Higuchi | 2023-06-13 |
| 11411507 | Bidirectional power converter | Hirotaka Karakama, Masashiro Tanaka, Mitsugu Tajima, Yoichi Yano | 2022-08-09 |
| 11183942 | Power conversion apparatus, power conversion system, and method for converting power | Kentaro INOMATA, Akira Yamazaki, Masato Higuchi | 2021-11-23 |
| 10947066 | Conveying system and method for controlling conveying system | Minoru Koga, Hiromitsu Akae, Yuki Honda, Mina ORII, Go Yamaguchi +1 more | 2021-03-16 |
| 10336559 | Conveying system and method for constructing conveying equipment | Minoru Koga, Hiromitsu Akae, Yuki Honda, Mina ORII, Go Yamaguchi +1 more | 2019-07-02 |
| 9515575 | Power conversion apparatus and power conversion method | Tetsumi NARITA, Masato Higuchi, Yasuhiko Kawanami, Takamitsu Katsuki | 2016-12-06 |
| 9252698 | Inverter device and motor drive system | Tsuneo Kume, Koji Higashikawa | 2016-02-02 |
| 9231446 | Motor drive device and vehicle | Akira Soma, Yushi Takatsuka | 2016-01-05 |
| 9219424 | Matrix converter | Kentaro INOMATA, Takahiro Uchino | 2015-12-22 |
| 9178445 | Power conversion apparatus | Yushi Takatsuka | 2015-11-03 |
| 9036387 | Alternating-current/direct-current converter | Katsutoshi Yamanaka, Yushi Takatsuka | 2015-05-19 |
| 8902612 | Power conversion apparatus | Aiko Inuduka, Toshio NAGAO | 2014-12-02 |
| 8612073 | Electric vehicle inverter apparatus and protection method therefor | Kiyotaka FUJI, Kenji Yamada, Yoshinori Tanaka, Akihiro Furukawa, Hirofumi Ebisumoto +3 more | 2013-12-17 |
| 8159851 | Matrix converter | Eiji Yamamoto, Takahiro Uchino | 2012-04-17 |
| 7869193 | Power conversion apparatus | Shuhei Nohara, Toshihiro Mori | 2011-01-11 |
| 7800929 | Control method for PWM cyclo-converter by selectively turning on a two-way semiconductor switch and controller | Eiji Yamamoto, Jun-Koo Kang | 2010-09-21 |
| 7782643 | Matrix converter apparatus | Eiji Yamamoto | 2010-08-24 |
| 7577009 | PWM cycloconverter and control method for PWM cycloconverter | Eiji Yamamoto, Kouichi Eguchi | 2009-08-18 |
| 7495937 | PWM cycloconverter | Junkoo Kang, Eiji Yamamoto, Kenji Yamada | 2009-02-24 |
| 7177128 | Snubber module and power conversion device | Eiji Yamamoto | 2007-02-13 |
| 6351397 | Protection apparatus and protection method of PWM cycloconverter | Toshihiro Sawa, Xiaorong Xia, Sadao Ishii, Eiji Yamamoto | 2002-02-26 |