8 Utility Patents
#205 in Chengdu
#16,539 in China
#520,178 in the World
Forward Citations = 4
Company Filing History:
China Petroleum & Chemical Corporation
Sinopec Southwest Oil & Gas Company

4. 1 out of 234
Sichuan University
5. 1 out of 69
Chengdu University of Technology
where one patent can have more than one assignee
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