9 Utility Patents
#4,792 in Beijing
#14,369 in China
#455,789 in the World
Forward Citations = 10
Company Filing History:

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

4. 1 out of 3
Guizhou Expressway Group Co., Ltd (cn)
5. 1 out of 18,103

where one patent can have more than one assignee
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