20 Utility Patents
#7,293 in Tokyo
#36,622 in Japan
#169,472 in the World
Forward Citations = 112
Company Filing History:
Sagami Chemical Research Center
Sumitomo Chemical Company, Limited
Other
4. 4 out of 185

5. 2 out of 174
Sumitomo Pharmaceuticals Company Limited
where one patent can have more than one assignee
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