2 Utility Patents
#9,425 in Shanghai
#64,151 in China
Forward Citations = 0
Company Filing History:
Shanghai Sansi Electronic Engineering Co. Ltd.
Shanghai Sansi Technology Co. Ltd.
Jiashan Sansi Optoelectronic Technology Co. Ltd.
4. 2 out of 10
Pujiang Sansi Optoelectronic Technology Co. Ltd.
where one patent can have more than one assignee
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