Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8719851 | Data storage device | — | 2014-05-06 |
| 8701132 | Movement mechanism and optical disc apparatus | — | 2014-04-15 |
| 7817521 | Optical disc device configured to detect abnormal loading status | Makoto Maruoka | 2010-10-19 |
| 7024795 | Drying apparatus | Masaya Tadano, Shinichi Akiyama, Nobuo Koumoto, Ryoko Kubo, Hiroshi Mukaiyama +2 more | 2006-04-11 |
| 6909573 | Disk drive including means for preventing rotation | Yoshihiro Mushika | 2005-06-21 |
| 6759824 | Motor controller and method of driving DC motor | Yoshihiro Mushika | 2004-07-06 |
| 6650073 | Brushless motor apparatus | — | 2003-11-18 |
| 6222340 | Stepping motor control device and optical head drive device | Yoshihiro Mushika, Masayoshi Shioya | 2001-04-24 |