23 Utility Patents
#2,022 in Beijing
#4,830 in China
#138,262 in the World
Forward Citations = 6
Company Filing History:
Ordos Yuansheng Optoelectronics Co., Ltd.

where one patent can have more than one assignee
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#2,022 in Beijing
#4,830 in China
#138,262 in the World
Company Filing History:

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