Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023370 | Apparatus and method for converting groove/land polarity upon groove/land track change on optical medium | Meng-Hsueh Lin | 2011-09-20 |
| 7903508 | System and method for determining groove/land switching points of an optical disc utilizing a motor rotating signal and original switching points | Meng-Hsueh Lin, Ming-Jiou Yu | 2011-03-08 |
| 7355939 | System and method for switching control modes of spindle motor | Chao-Long Tsai | 2008-04-08 |
| 7304926 | Motor control system having output clamp function and method of the same | Chao-Lung Tsai | 2007-12-04 |
| 7138782 | Motor control system and method of the same | Chao-Lung Tsai | 2006-11-21 |