8 Utility Patents
#5,321 in Beijing
#16,592 in China
#520,941 in the World
Forward Citations = 15
Company Filing History:
Hfi Innovation Inc.


4. 1 out of 1
Beijing Yi Zhang Yun Feng Technology Co., Ltd.
5. 1 out of 1
Beijing Goldenway Bio-tech Co., Ltd.
where one patent can have more than one assignee
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