Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11693216 | Optical imaging lens including seven lenses of +−+−−+− or +−+−++− refractive powers | Fujian Dai, Liefeng Zhao | 2023-07-04 |
| 11686923 | Imaging lenses and imaging device | Jia Lu, Fujian Dai, Liefeng Zhao | 2023-06-27 |