12 Utility Patents
#3,756 in Beijing
#10,450 in China
#327,534 in the World
Forward Citations = 3
Company Filing History:
China Petroleum & Chemical Corporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

4. 1 out of 83
Beijing University of Chemical Technology
5. 1 out of 1
Feyman (beijing) Technology Co. Ltd
where one patent can have more than one assignee
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