Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10715074 | Motor diagnosis method and power conversion device using same | — | 2020-07-14 |
| 10439516 | Inverter with charging capability | Shigeharu Yamagami | 2019-10-08 |
| 10305371 | Power supply control apparatus and method thereof | Taku Shimomura, Tetsuya Hayashi, Takayuki IKARI | 2019-05-28 |
| 7880174 | Circuit arrangement having a free-wheel diode | Haruka Shimizu, Katsumi Ishikawa, Masahiro Nagasu | 2011-02-01 |
| 7737761 | Gate drive circuit with reduced switching loss and noise | Katsumi Ishikawa, Masahiro Nagasu | 2010-06-15 |