14 Utility Patents
#2,990 in Beijing
#7,855 in China
#260,211 in the World
Forward Citations = 10
Company Filing History:

Ordos Yuansheng Optoelectronics Co., Ltd.
where one patent can have more than one assignee
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#2,990 in Beijing
#7,855 in China
#260,211 in the World
Company Filing History:

Get your Inventor Badge Today