31 Utility and 14 Design Patents
#1,462 in Beijing
#3,294 in China
#87,495 in the World
rank by utility patentsForward Citations = 78
Company Filing History:
Yunda H&h Tech (tianjin) Co., Ltd.


4. 2 out of 1,305

5. 2 out of 3,046

where one patent can have more than one assignee
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