6 Utility Patents
#6,683 in Beijing
#22,116 in China
#693,412 in the World
Forward Citations = 3
Company Filing History:
Ordos Yuansheng Optoelectronics Co., Ltd.

where one patent can have more than one assignee
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#6,683 in Beijing
#22,116 in China
#693,412 in the World
Company Filing History:

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