37 Utility Patents
#1,177 in Beijing
#2,556 in China
#65,116 in the World
Forward Citations = 45
Company Filing History:

Beijing Kuangshi Technology Co., Ltd.
Pinhole (beijing) Technology Co., Ltd.
4. 5 out of 2,293

5. 5 out of 26,407

where one patent can have more than one assignee
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