7 Utility Patents
#5,989 in Beijing
#19,246 in China
#599,302 in the World
Forward Citations = 0
Company Filing History:


Ordos Yuansheng Optoelectronics Co., Ltd.
4. 1 out of 2,540
Chengdu Boe Optoelectronics Technology Co., Ltd.
5. 1 out of 8
China Academy of Railway Sciences Corporation Limited
where one patent can have more than one assignee
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