Issued Patents 2016
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9440918 | Method for purifying (S)-Oxiracetam | Zuyuan Rong | 2016-09-13 |
| 9427268 | Porous tantalum rod | — | 2016-08-30 |
| 9295475 | Drill bit locking device and drill bit | Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li | 2016-03-29 |
| 9295480 | Craniotomy drill | Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li | 2016-03-29 |
| 9282982 | Surgical milling cutter bracket | Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li | 2016-03-15 |
| 9254136 | Drill head locking apparatus and drill head | Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li | 2016-02-09 |
| 9238622 | Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof | Chao You, Hua Feng, Qi Pang, Yuying Chen, Zuyuan Rong +4 more | 2016-01-19 |