10 Utility Patents
#81 in Qingdao
#11,591 in China
#390,250 in the World
Forward Citations = 1
Company Filing History:
Qingdao University of Technology
Shanghai Jinzhao Energy Saving Technology Co., Ltd
Shanxi Jinzhao Aviation Technology Co., Ltd.
4. 1 out of 25
Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
5. 1 out of 3
Hanergy (qingdao) Lubrication Technology Co., Ltd.
where one patent can have more than one assignee
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