Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9341811 | Method and apparatus for adjusting-free automatic focus | Chin-Sung Liu, Chien-Chung Pien | 2016-05-17 |
| 9195026 | Step response suppression structure of lens driving apparatus | Yi-Jung Chen, Chin-Sung Liu | 2015-11-24 |
| 8291442 | Electromagnetic actuator of optical pickup head | Tsung-Kai Chang | 2012-10-16 |