38 Utility and 3 Design Patents
#375 in Shanghai
#2,485 in China
#62,479 in the World
rank by utility patentsForward Citations = 81
Company Filing History:
Other
Ningbo Sunny Opotech Co., Ltd.
4. 4 out of 26,527

5. 3 out of 51,840

where one patent can have more than one assignee
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