Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638912 | Brushless motor with bearing and bearing housing | Toshiyuki Nishikata, Koji Kuyama, Kumio Masuda, Hiroshi Ikeno, Tsuyoshi Kanou | 2009-12-29 |
| 7466050 | Brushless motor and method of manufacturing the same | Koji Kuyama, Kumio Masuda | 2008-12-16 |
| 7224092 | Brushless motor | Kumio Masuda | 2007-05-29 |