20 Utility and 2 Design Patents
#1,033 in Shenzhen
#5,745 in China
#169,595 in the World
rank by utility patentsForward Citations = 22
Company Filing History:



4. 2 out of 383
Beijing Dajia Internet Information Technology Co., Ltd.
5. 2 out of 1,806

where one patent can have more than one assignee
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