140 Utility Patents
#158 in Beijing
#245 in China
#4,646 in the World
Forward Citations = 34
Company Filing History:






4. 1 out of 832,347 patents
Other
5. 1 out of 807

where one patent can have more than one assignee
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#158 in Beijing
#245 in China
#4,646 in the World
Company Filing History:
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