Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8226372 | Electric compressor | Koji Hamaoka, Hidetoshi Nishihara, Katsumi Endo, Makoto Katayama, Shuichi Yakushi +3 more | 2012-07-24 |
| 7102306 | Brushless DC motor driving method and apparatus for it | Koji Hamaoka, Hidehisa Tanaka | 2006-09-05 |