Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227320 | Disc drive apparatus and motor driver circuit | Kouya Koba | 2007-06-05 |
| 7099247 | Disk drive apparatus | Ryo Ando, Takao Maruyama | 2006-08-29 |
| 7042821 | Disk drive apparatus for optimum motor control | Ryo Ando, Takao Maruyama | 2006-05-09 |
| 7006413 | Disk driving apparatus | Takao Maruyama, Ryo Ando | 2006-02-28 |
| 6597140 | Sensorless motor starting system | Takao Maruyama | 2003-07-22 |
| 6476576 | Motor control apparatus | Junji Katsuta, Reiichi Sato | 2002-11-05 |