8 Utility Patents
#4,989 in Beijing
#15,214 in China
#506,871 in the World
Forward Citations = 0
Company Filing History:

Ordos Yuansheng Optoelectronics Co., Ltd.

4. 1 out of 830,757 patents
Other
5. 1 out of 2,253

where one patent can have more than one assignee
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