Haiyang Du

CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%

SC Sinopec Petroleum Engineering Technology Service Co.: 1 patents #7 of 43Top 20%

📍 Shandong, CN: #981 of 2,138 inventorsTop 50%

Overall (All Time): #2,397,343 of 4,157,543Top 60%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12252986	Steerable drilling device	Qingming Ma, Jieran Zhu, Ningning YANG, Guangquan Li, Yufeng Li +3 more	2025-03-18