5 Utility Patents
#92 in Sichuan
#27,249 in China
#828,051 in the World
Forward Citations = 1
Company Filing History:
China Petroleum & Chemical Corporation
Sinopec Southwest Oil & Gas Company
Southwest Petroleum University
4. 1 out of 235
Sichuan University
5. 1 out of 3,086

where one patent can have more than one assignee
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