Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079444 | Insulation detector and electric apparatus | Taichiro Tamida, Masayuki UEMATSU, Akira Tanabe, Yoshitomo Hayashi, Kosuke Tsujikawa | 2021-08-03 |
| 10447172 | Power regenerative converter and motor control device | Yoshitomo Hayashi, Masaya Harakawa, Yuji Nojiri | 2019-10-15 |
| 10416224 | Insulation detector and electric apparatus | Taichiro Tamida, Masayuki UEMATSU, Akira Tanabe, Yoshitomo Hayashi, Kosuke Tsujikawa | 2019-09-17 |
| 9899907 | Switching power supply circuit and control method therefor | Yoshitomo Hayashi, Tomokazu Ogawa | 2018-02-20 |
| 9784597 | Voltage supply apparatus | Akira Tanabe, Hiroyoshi Takeuchi | 2017-10-10 |
| 9335380 | Device for detecting insulation degradation | Yoshimasa Watanabe, Ryuichi Nishiura, Yoshiharu Kaneda, Hiroshi Nishizawa, Toru Oka +2 more | 2016-05-10 |
| 8884561 | AC motor driving apparatus | Shinichi Furutani, Akiko Tabuchi, Kazuhiko Tsutsui, Jun Hattori, Manabu Ohashi | 2014-11-11 |
| 5034669 | Regenerative circuit for motor drive system having leakage current compensation | Akira Sako | 1991-07-23 |