60 Utility and 5 Design Patents
#442 in Yokohama
#5,260 in Japan
#26,872 in the World
rank by utility patentsForward Citations = 716
Company Filing History:



4. 6 out of 6,872
Sumitomo Chemical Company, Limited
5. 5 out of 1,261

where one patent can have more than one assignee
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