23 Utility Patents
#5,993 in Tokyo
#29,765 in Japan
#137,921 in the World
Forward Citations = 81
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel Corporation
Arcelor France
4. 1 out of 53

5. 1 out of 2
Nippon Steel & Sumitomo Metal Coporation
where one patent can have more than one assignee
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