79 Utility and 12 Design Patents
#698 in Tokyo
#2,836 in Japan
#15,792 in the World
rank by utility patentsForward Citations = 867
Company Filing History:

Nippon Steel & Sumitomo Metal Corporation
Nippon Steel Corporation
4. 5 out of 21,702

5. 4 out of 20
Arcelor France
where one patent can have more than one assignee
Get your Inventor Badge Today