86 Utility and 2 Design Patents
#80 in Shanghai
#670 in China
#13,288 in the World
rank by utility patentsForward Citations = 82
Company Filing History:

China Petroleum & Chemical Corporation
Beijing University of Chemical Technology
4. 1 out of 195

5. 1 out of 1
Bejing Jingshi Intellectual Property Management Co., Ltd.
where one patent can have more than one assignee
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