9 Utility Patents
#4,452 in Beijing
#13,063 in China
#439,533 in the World
Forward Citations = 0
Company Filing History:
Beijing Boyuan Hengsheng High-technology Co., Ltd.
Yongfeng Boyuan Industry Co., Ltd., Jiangxi Province

4. 1 out of 830,757 patents
Other
5. 1 out of 1
Yongfeng Boyuan Industry Co. Ltd.
where one patent can have more than one assignee
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