Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D943526 | Converter | Daisuke Goto, Yusuke Ono, Takeshi Obara | 2022-02-15 |
| 11095244 | Motor drive device and motor drive system | Satoshi Taira | 2021-08-17 |
| 11079444 | Insulation detector and electric apparatus | Taichiro Tamida, Masayuki UEMATSU, Akira Tanabe, Yoji Tsutsumishita, Kosuke Tsujikawa | 2021-08-03 |
| 10813255 | Motor drive device | Satoru Kozuka, Yasuhiro Takadera, Takeshi Obara | 2020-10-20 |
| 10447172 | Power regenerative converter and motor control device | Yoji Tsutsumishita, Masaya Harakawa, Yuji Nojiri | 2019-10-15 |
| 10416224 | Insulation detector and electric apparatus | Taichiro Tamida, Masayuki UEMATSU, Akira Tanabe, Yoji Tsutsumishita, Kosuke Tsujikawa | 2019-09-17 |
| 9899907 | Switching power supply circuit and control method therefor | Yoji Tsutsumishita, Tomokazu Ogawa | 2018-02-20 |
| 9712155 | Drive circuit for power semiconductor element | Masahiro Ozawa, Toshiki Tanaka | 2017-07-18 |
| 9570972 | CR snubber circuit | Mitsuhiko Kanda, Shizuri Tamura, Akira Hatai, Yasuhiro Sekimoto, Yuji Nojiri | 2017-02-14 |
| 8188701 | Power regenerative converter | Akihiko Iwata | 2012-05-29 |