25 Utility Patents
#15 in Shandong
#4,408 in China
#122,625 in the World
Forward Citations = 26
Company Filing History:
China University of Petroleum
Selskapet Gudme Stad As
Cimc Offshore Engineering Research Institute Co. Ltd.
4. 1 out of 79

5. 1 out of 1
Zhanjiang Branch of Cnooc (china) Co., Ltd
where one patent can have more than one assignee
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