29 Utility Patents
#131 in Kobe
#20,849 in Japan
#97,310 in the World
Forward Citations = 95
Company Filing History:
Sumitomo Metal Industries, Inc.
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
4. 1 out of 2,299

5. 1 out of 547

where one patent can have more than one assignee
Get your Inventor Badge Today