44 Utility Patents
#965 in Beijing
#2,002 in China
#48,281 in the World
Forward Citations = 13
Company Filing History:

Ordos Yuansheng Optoelectronics Co., Ltd.
where one patent can have more than one assignee
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#965 in Beijing
#2,002 in China
#48,281 in the World
Company Filing History:

Get your Inventor Badge Today