8 Utility Patents
#142 in Qingdao
#16,394 in China
#518,894 in the World
Forward Citations = 6
Company Filing History:



4. 3 out of 61

5. 1 out of 138

where one patent can have more than one assignee
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#142 in Qingdao
#16,394 in China
#518,894 in the World
Company Filing History:





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