7 Utility and 1 Design Patents
#136 in Xi'an
#19,166 in China
#598,480 in the World
rank by utility patentsForward Citations = 6
Company Filing History:

where one patent can have more than one assignee
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#136 in Xi'an
#19,166 in China
#598,480 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today