22 Utility Patents
#6,360 in Tokyo
#31,790 in Japan
#147,290 in the World
Forward Citations = 228
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
Arcelor France
4. 1 out of 832,448 patents
Other
5. 1 out of 53

where one patent can have more than one assignee
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