Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867641 | Solar energy power supply system | Chia-Tien Wu, Chia-Yun Wu | 2011-01-11 |
| 7585586 | Battery | Chia-Tien Wu, Chia-Yun Wu | 2009-09-08 |
| 6826834 | Manufacturing method of a muffler assembly | Chia-Tien Wu | 2004-12-07 |
| 5059939 | Variable resistor device | — | 1991-10-22 |
| 4972056 | Keyswitch | — | 1990-11-20 |