Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12367669 | Document image quality detection | Chao Wang, Ke Jin, Yunfeng Ma | 2025-07-22 |
| 10760873 | Gear-type air rifle slide stop structure | Yecheng Wu, Xiaoqiang Shen, Guohua Jin, Dingfu Tang, Ye Sun +1 more | 2020-09-01 |