23 Utility Patents
#42 in Amagasaki
#29,905 in Japan
#138,677 in the World
Forward Citations = 965
Company Filing History:
Sumitomo Pharmaceuticals Company Limited
Sumitomo Chemical Company, Limited

4. 1 out of 120
Nissho Corporation
5. 1 out of 57

where one patent can have more than one assignee
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