Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9106173 | Motor driving device and method of protecting motor driving device | Fumio Anraku | 2015-08-11 |
| 7889527 | Electrical power source, operational method of the same, inverter and operational method of the same | Masaaki Ohshima, Shuuichi Ushiki | 2011-02-15 |
| 7602627 | Electrical power source, operational method of the same, inverter and operational method of the same | Masaaki Ohshima, Shuuichi Ushiki | 2009-10-13 |
| 7495936 | Three-phase voltage-fed AC/DC converter | Masaaki Ohshima, Hirokazu Shimizu, Shuichi Ushiki | 2009-02-24 |