QY

Qinghai Yang

PL Petrochina Company Limited: 1 patents #85 of 231Top 40%
Overall (2021): #297,267 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
10890052 Downhole power generation device and separate-zone waterflooding device Xiaohan Pei, Dongbai Shan, Tao Li, Eryang Ming, Ming Li 2021-01-12