77 Utility and 12 Design Patents
#681 in Tokyo
#2,880 in Japan
#15,802 in the World
rank by utility patentsForward Citations = 845
Company Filing History:



Nippon Steel & Sumitomo Metal Corporation

Nippon Steel Corporation
4. 5 out of 21,141

5. 4 out of 20
Arcelor France
where one patent can have more than one assignee
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