Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902763 | Piezoelectric cascade resonant lamp-ignition circuit | Tao Wei, Hsi Chen Chang | 2011-03-08 |
| 7683554 | High-voltage lamp-ignition piezoelectric oscillator | Tao Wei, Hsi Chen Chang | 2010-03-23 |