Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Dengrong Zhou 2
1 Xiaojiang Ma 2
1 Wanguang Song China National Offshore Oil 2
#4 Shangqing Guan 1
#4 Haijian Ren Ca 1
#4 Ruoying You 1
#4 Chengshan Guan 1