27 Utility and 1 Design Patents
#157 in Guangdong
#3,971 in China
#108,748 in the World
rank by utility patentsForward Citations = 31
Company Filing History:


Shengyi Technology Co., Ltd.
4. 4 out of 101

5. 3 out of 832,627 patents
Other
where one patent can have more than one assignee
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