5 Utility Patents
#85 in Liaoning
#26,945 in China
#825,640 in the World
Forward Citations = 5
Company Filing History:
China Petroleum & Chemical Corporation
Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

4. 1 out of 1
Angang Steel Company Limited
where one patent can have more than one assignee
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