Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637377 | Motor driving device, as well as refrigerator and device for operating compressor in which said motor driving device is used | Hidehisa Tanaka | 2020-04-28 |
| 8716964 | Motor drive device, and compressor and refrigerator using same | Hidehisa Tanaka | 2014-05-06 |
| 8664899 | Motor drive control device | Yoshiaki Doyama, Hidehisa Tanaka | 2014-03-04 |
| 7427841 | Driving method and driver of brushless DC motor | Koji Hamaoka | 2008-09-23 |
| 7233124 | Motor drive inverter control apparatus | Koji Hamaoka | 2007-06-19 |