53 Utility and 2 Design Patents
#749 in Beijing
#1,514 in China
#34,487 in the World
rank by utility patentsForward Citations = 389
Company Filing History:



4. 3 out of 3
Primegene (beijing) Co., Ltd.
5. 2 out of 654
China Petroleum & Chemical Corporation
where one patent can have more than one assignee
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