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

Guangquan Li

CC China Petroleum & Chemical: 1 patents #89 of 397Top 25%
SC Sinopec Petroleum Engineering Technology Service Co.: 1 patents #3 of 16Top 20%
📍 Shandong, CN: #177 of 611 inventorsTop 30%
Overall (2025): #377,999 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12252986 Steerable drilling device Qingming Ma, Jieran Zhu, Ningning YANG, Yufeng Li, Nan-Chun Lin +3 more 2025-03-18