Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465787 | Variable-ratio line gear mechanism | Yangzhi Chen, Yueling Lv | 2019-11-05 |
| 10295800 | Optical lens | — | 2019-05-21 |
| 8665529 | Zoom lens | Jer-Yuan Sheu | 2014-03-04 |
| 7701649 | Fixed-focus lens | Jung-Yao Chen | 2010-04-20 |