38 Utility and 2 Design Patents
#1,153 in Beijing
#2,493 in China
#62,563 in the World
rank by utility patentsForward Citations = 184
Company Filing History:

Other
China Petroleum & Chemical Corporation
4. 3 out of 195

5. 3 out of 520
Dalian University of Technology
where one patent can have more than one assignee
Get your Inventor Badge Today