Issued Patents All Time
Showing 1–25 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198426 | Hybrid vehicle | Kosuke Aiki, Kisaburo Hayakawa, Yoshiaki Ito, Hiroyuki Yamaguchi, Hideto Inagaki | 2021-12-14 |
| 11124231 | Vehicle | Yoshihiko Hiroe, Kensuke Yoshizue | 2021-09-21 |
| 10744897 | Power-supply apparatus | Naoyoshi Takamatsu, Yoshihiko Hiroe, Yoshitaka Niimi | 2020-08-18 |
| 10556593 | Series hybrid vehicle | Yoshiaki Ito, Kosuke Aiki, Kisaburo Hayakawa, Hiroyuki Yamaguchi, Hideto Inagaki | 2020-02-11 |
| 10491122 | Power supply system for controlling DC voltage between power lines | Shigeaki Goto, Shuji Tomura, Naoki Yanagizawa, Naoyoshi Takamatsu | 2019-11-26 |
| 10483853 | DC-DC converter | Ken TOSHIYUKI | 2019-11-19 |
| 10363831 | Electrical power system | Toshifumi Yamakawa | 2019-07-30 |
| 10250171 | Electric motor control apparatus and electric motor control method | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2019-04-02 |
| 10232807 | Control apparatus for boost converter | Naoyoshi Takamatsu, Kosuke Hirano | 2019-03-19 |
| 10224857 | Motor controller | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2019-03-05 |
| 10199155 | Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elements | Masanori Ishigaki, Shuji Tomura, Naoki Yanagizawa, Naoyoshi Takamatsu | 2019-02-05 |
| 10170988 | Power supply system | Masanori Ishigaki, Shuji Tomura, Naoki Yanagizawa | 2019-01-01 |
| 10164551 | Boost control apparatus based on output current change rate | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2018-12-25 |
| 10158312 | Motor control apparatus | Wanleng Ang | 2018-12-18 |
| 10135327 | Power supply system | Shigeaki Goto, Shuji Tomura, Naoki Yanagizawa, Naoyoshi Takamatsu | 2018-11-20 |
| 10103664 | Vehicle control apparatus | Toshifumi Yamakawa, Shintaro Tsujii | 2018-10-16 |
| 10084379 | Boost converter control apparatus | Naoyoshi Takamatsu, Hideto Hanada, Kenji Yamada, Kosuke Hirano | 2018-09-25 |
| 10069396 | Electrical power system | Kosuke Hirano, Toshifumi Yamakawa, Jun Fujita, Ryo KAMIKAWA | 2018-09-04 |
| 10020748 | Electric power conversion circuit | Kenichi Takagi, Shuntaro Inoue, Takahide Sugiyama, Kenichiro Nagashita, Yoshitaka Niimi | 2018-07-10 |
| 9979344 | Controller for electric motor system | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2018-05-22 |
| 9973071 | Control device and control method for power converter | Masanori Ishigaki, Shuji Tomura, Takaji Umeno, Daigo Nobe | 2018-05-15 |
| 9941694 | Power supply system | Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Naoyoshi Takamatsu | 2018-04-10 |
| 9935548 | Power supply system having two DC power supplies | Shigeaki Goto, Masanori Ishigaki, Shuji Tomura, Takahide Sugiyama, Takaji Umeno +1 more | 2018-04-03 |
| 9906133 | Electric source control apparatus | Naoyoshi Takamatsu, Shuji Tomura, Masanori Ishigaki, Naoki Yanagizawa | 2018-02-27 |
| 9899916 | Boost converter control apparatus | Naoyoshi Takamatsu, Hideto Hanada, Kenji Yamada, Kosuke Hirano | 2018-02-20 |