Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130216 | Sample collecting device and sample collecting apparatus | Scott Haack, Zhenghua Shen, Weiqin QIU, Jie Hu, Changqing Li +1 more | 2024-10-29 |
| 11925343 | Traction apparatus and traction ring for traction apparatus | Ming Ji, Zhenghua Shen, Changging Li, Derong Leng, Chunjun Liu +1 more | 2024-03-12 |
| 11864721 | Endoscope end cap | Shutian Zhang, Ming Ji, Huihong Zhai, Jianyu Wei, Derong Leng +3 more | 2024-01-09 |