47 Utility Patents
#886 in Beijing
#1,812 in China
#42,932 in the World
Forward Citations = 43
Company Filing History:

Ordos Yuansheng Optoelectronics Co., Ltd.

where one patent can have more than one assignee
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#886 in Beijing
#1,812 in China
#42,932 in the World
Company Filing History:


Get your Inventor Badge Today