1 Utility and 2 Design Patents
#756 in Shanghai
#12,963 in China
rank by design patentsForward Citations = 38
Company Filing History:
Shanghai Sansi Electronic Engineering Co. Ltd.
Shanghai Sansi Technology Co. Ltd.
Jiashan Sansi Optoelectronic Technology Co. Ltd.
4. 3 out of 8
Sansi Optoelectronics Technology (shanghai) Co. Ltd.
where one patent can have more than one assignee
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