17 Utility Patents
#385 in Ibaraki
#45,223 in Japan
#209,933 in the World
Forward Citations = 49
Company Filing History:

Sumitomo Chemical Company, Limited

4. 1 out of 5
National Institute of Materials Science
5. 1 out of 1,267
Hitachi Koki Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today