QY

Qingzhou Yao

PL Petrochina Company Limited: 1 patents #85 of 231Top 40%
Overall (2021): #297,254 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10921477 Method, apparatus, and system for eliminating frequency dispersion effect Chuang Li, Jianguo Pan, Hongbin Wang, Jianguo Zhao, Linjun Huang +3 more 2021-02-16