69 Utility and 1 Design Patents
#120 in Shanghai
#995 in China
#20,802 in the World
rank by utility patentsForward Citations = 79
Company Filing History:


Ampsource Biopharma Shanghai Inc.
4. 5 out of 3,942

5. 4 out of 8
Shanghai Kumhosunny Plastics Co., Ltd.
where one patent can have more than one assignee
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