6 Utility and 8 Design Patents
#1 in Songzi
#2,192 in China
#31,082 in the World
rank by design patentsForward Citations = 31
Company Filing History:

where one patent can have more than one assignee
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#1 in Songzi
#2,192 in China
#31,082 in the World
rank by design patentsCompany Filing History:

Get your Inventor Badge Today