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

Changhua Zhang

CC China Petroleum & Chemical: 1 patents #89 of 397Top 25%
📍 Longbeilingcun, TX: #10 of 38 inventorsTop 30%
Overall (2025): #65,041 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12348797 Method for implementing coding and decoding of YUV444 image on basis of H.265 Hongmeng Guo, Zhenghui ZHU, Dingjin ZHAO 2025-07-01
12348890 Seamless video switching method and system in video matrix Chun Wei, Changlv LI, Zhenghui ZHU, Dingjin ZHAO 2025-07-01
12320941 Methods and apparatuses for seismic characterization of subsurface formations Mingqiu Luo, Min Zhou, Bin Yu 2025-06-03