QH

Qin Han

BC Beijing Huamei Inc. Cnpc: 1 patents #1 of 31Top 4%
CP China National Petroleum: 1 patents #32 of 93Top 35%
CT China University Of Mining And Technology-Beijing: 1 patents #18 of 80Top 25%
CL Cnpc Engineering Technology R&D Company Limited: 1 patents #18 of 40Top 45%
Overall (2025): #94,176 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12347030 Monocular video-based three-dimensional reconstruction and depth prediction method and system for pipeline Ce Li, Feng Yang, Suping Peng 2025-07-01
12305116 Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof Jianzhou Jin, Lili Chen, Yuchao Guo, Hua Zhang, Fuchen Liu +25 more 2025-05-20