13 Utility and 2 Design Patents
#47 in Shandong
#9,367 in China
#295,489 in the World
rank by utility patentsForward Citations = 33
Company Filing History:
Wanhua Chemical Group Co., Ltd.
Shandong New Beiyang Information Technology Co., Ltd.

4. 1 out of 3
Dezhou University
5. 1 out of 394
China University of Petroleum
where one patent can have more than one assignee
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