HF

Hua Feng

CC Chongqing Ruzer Pharmaceutical Co.: 5 patents #2 of 13Top 20%
📍 Hohhot, CA: #1 of 3 inventorsTop 35%
Overall (2016): #28,233 of 481,213Top 6%
5
Patents 2016

Issued Patents 2016

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9295475 Drill bit locking device and drill bit Lei Ye, Jian Zhou, Fei Li, Hengyang Zhu, Congxiao Li 2016-03-29
9295480 Craniotomy drill Lei Ye, Jian Zhou, Fei Li, Hengyang Zhu, Congxiao Li 2016-03-29
9282982 Surgical milling cutter bracket Lei Ye, Jian Zhou, Fei Li, Hengyang Zhu, Congxiao Li 2016-03-15
9254136 Drill head locking apparatus and drill head Lei Ye, Jian Zhou, 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, Qi Pang, Lei Ye, Yuying Chen, Zuyuan Rong +4 more 2016-01-19