Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
CM

Chengyun Ma

CP China University Of Petroleum—Beijing: 1 patents #8 of 54Top 15%
Overall (2025): #424,589 of 469,880Top 95%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12196722 Dynamic crack leaking stoppage evaluation experiment device and experiment method Yongcun Feng, Jingen Deng 2025-01-14