26 Utility Patents
#1,769 in Beijing
#4,144 in China
#114,930 in the World
Forward Citations = 2
Company Filing History:
China Petroleum & Chemical Corporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

4. 4 out of 811

5. 3 out of 8
National Institute of Metrology
where one patent can have more than one assignee
Get your Inventor Badge Today