Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754860 | Photochromic lens with laminated film, method for producing a photochromic lens, and a spectacle frame | Jingye Liang, Liu Ouyang, Stephen Brown | 2023-09-12 |
| 11287732 | Optical illumination system and projection device | Lu Chen, Liang Yin, Xiuyan Cao | 2022-03-29 |