3 Utility and 1 Design Patents
#6,776 in Shanghai
#44,764 in China
rank by utility patentsForward Citations = 3
Company Filing History:
Shanghai Sansi Electronic Engineering Co. Ltd.
Shanghai Sansi Technology Co. Ltd.
Jiashan Sansi Optoelectronic Technology Co. Ltd.
4. 3 out of 10
Pujiang Sansi Optoelectronic Technology Co. Ltd.
5. 1 out of 2
Zhejiang Puzhao Photoelectric Technology Co.,ltd.
where one patent can have more than one assignee
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