6 Utility and 2 Design Patents
#681 in Hangzhou
#22,502 in China
#696,999 in the World
rank by utility patentsForward Citations = 11
Company Filing History:



where one patent can have more than one assignee
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#681 in Hangzhou
#22,502 in China
#696,999 in the World
rank by utility patentsCompany Filing History:



Get your Inventor Badge Today