Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391900 | Method for removing silver mirroring from surface of black-and-white negative film | Yuhu Li, Jianxu Luo, Zhihui Jia, Ersudai Ma | 2025-08-19 |
| D1066780 | Lampshade | Xiaguang Liu, Wenhao Zhu | 2025-03-11 |