QY

Qingzhou Yao

PL Petrochina Company Limited: 2 patents #138 of 890Top 20%
Overall (All Time): #1,869,002 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 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
10845495 Method and device of identifying fracture Chao Feng, Tuanyu Teng, Delong Ma, HAN-BING ZHANG, Lu Yin +1 more 2020-11-24