9 Utility Patents
#86 in Shandong
#14,493 in China
#457,239 in the World
Forward Citations = 0
Company Filing History:
China University of Petroleum
Weihai Hualing Opto-electronics Co., Ltd
Qingdao University of Technology
4. 1 out of 441

5. 1 out of 6
Ieit Systems Co., Ltd.
where one patent can have more than one assignee
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