20 Utility Patents
#30 in Qingdao
#5,711 in China
#169,187 in the World
Forward Citations = 2
Company Filing History:
Qingdao University of Technology
Ningbo Sanhan Alloy Material Co., Ltd.
University of Sharjah
4. 2 out of 7
Shanghai Jinzhao Energy Saving Technology Co., Ltd
5. 2 out of 2
Qingdao Sisa Abrasives Co., Ltd.
where one patent can have more than one assignee
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