21 Utility and 5 Design Patents
#58 in Nanjing
#5,388 in China
#157,806 in the World
rank by utility patentsForward Citations = 279
Company Filing History:
Semiconductor Manufacturing International (beijing) Corporation
4. 3 out of 8
Ohaus Instruments (changzhou) Co., Ltd.
5. 2 out of 30,008

where one patent can have more than one assignee
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