Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10146030 | Zoom lens | Chien-Hsiung Tseng, Yu-Hung Chou | 2018-12-04 |
| 9759891 | Wide angle lens | — | 2017-09-12 |
| 9122042 | Zoom lens | Chien-Hsiung Tseng, Yu-Hung Chou | 2015-09-01 |
| 8000023 | Zoom lens | Yu-Hung Chou, Chien-Hsiung Tseng | 2011-08-16 |