Qingwu Kong

OC Ordos Yuansheng Optoelectronics Co.: 1 patents #125 of 280Top 45%

BO BOE: 1 patents #1,611 of 3,119Top 55%

Overall (2022): #296,626 of 548,613Top 55%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11333139	Cryopump	Jindong Liu, Xiongfei Guo	2022-05-17