Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8981622 | Ultrasonic sensor device | Chiun-Hua Chang, Shih-Feng Lee | 2015-03-17 |
| 8853919 | Ultrasonic sensor device | Chia-Yu Lin, Chiun-Hua Chang, Shih-Feng Lee | 2014-10-07 |
| 6627513 | Method of measuring resistance in deep trench | Liang-Hsin Chen | 2003-09-30 |