Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8981622 | Ultrasonic sensor device | Tzu-Chin Tsai, Chiun-Hua Chang | 2015-03-17 |
| 8853919 | Ultrasonic sensor device | Chia-Yu Lin, Tzu-Chin Tsai, Chiun-Hua Chang | 2014-10-07 |
| 7597197 | Structure of three-dimensional sticker package | — | 2009-10-06 |
| 6589624 | Card with removable stickers | — | 2003-07-08 |