15 Utility Patents
#1,182 in Shanghai
#7,410 in China
#240,843 in the World
Forward Citations = 26
Company Filing History:

Shanghai Sansi Electronic Engineering Co. Ltd.
4. 2 out of 27
Shanghai Sansi Technology Co. Ltd.
5. 2 out of 8
Sansi Optoelectronics Technology (shanghai) Co. Ltd.
where one patent can have more than one assignee
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