Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287732 | Optical illumination system and projection device | Yong Tian, Liang Yin, Xiuyan Cao | 2022-03-29 |
| 5936780 | Projection zoom lens having a long back focal length | Fu-Ming Chuang | 1999-08-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287732 | Optical illumination system and projection device | Yong Tian, Liang Yin, Xiuyan Cao | 2022-03-29 |
| 5936780 | Projection zoom lens having a long back focal length | Fu-Ming Chuang | 1999-08-10 |