16 Utility Patents
#416 in Ibaraki
#48,024 in Japan
#221,371 in the World
Forward Citations = 502
Company Filing History:
Sumitomo Pharmaceuticals Company Limited
Sumitomo Chemical Company, Limited

4. 1 out of 329
Yamanouchi Pharmaceutical Company Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today