Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549219 | Automatic assembling system and method for camera lens units | Po-Song Kao, Yung-I Chang, En-Tzu Cheng | 2009-06-23 |
| 7353738 | Cutting device and method for plastic lens | — | 2008-04-08 |
| 6424925 | Circuit and method for detecting a tone signal | Man H. Ku, Wai-Hung Leung, Po-Sheng Chou | 2002-07-23 |