19 Utility Patents
#134 in Hangzhou
#6,067 in China
#181,495 in the World
Forward Citations = 35
Company Filing History:



4. 1 out of 1,076

5. 1 out of 220

where one patent can have more than one assignee
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#134 in Hangzhou
#6,067 in China
#181,495 in the World
Company Filing History:





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