Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956726 | Power protection device | Chia-Chang Hsu | 2005-10-18 |
| 6933699 | Motor drive circuit and method with frequency setting and correcting functions | Chia-Chang Hsu | 2005-08-23 |
| 6737860 | System for controlling rotational speed of fan according to reference clock frequency | Chia-Chang Hsu, Chung-Hsien Lin | 2004-05-18 |