Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117671 | Camera lens group | Jianke Wenren, Fujian Dai, Liefeng Zhao | 2024-10-15 |
| 11740437 | Camera lens | Mengna Tang, Jianke Wenren, Fujian Dai, Liefeng Zhao | 2023-08-29 |
| 11630283 | Optical imaging lens | Mengna Tang, Jianke Wenren, Fujian Dai, Liefeng Zhao | 2023-04-18 |
| 11071565 | Method and device of male circumcision and suture | Zhijiang Weng, Yuguo Zhu | 2021-07-27 |