Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719918 | Zoom lens assembly | Fujian Dai, Qi Wu, Liefeng Zhao | 2023-08-08 |
| 11543629 | Optical imaging system including five lenses of −+−+− or −+−++ refractive powers | Yang Li, Kaiyuan Zhang, Liefeng Zhao, Fujian Dai | 2023-01-03 |