Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11194130 | Camera optical lens comprising seven lenses of ++−−−+- and ++−+−+-refractive powers | Lei Zhang, Yanmei Wang, Yang Zhang | 2021-12-07 |
| 11106007 | Camera optical lens comprising six lenses of ++−−+− refractive powers | Lei Zhang | 2021-08-31 |