12 Utility Patents
#124 in Wakayama
#68,228 in Japan
#314,808 in the World
Forward Citations = 46
Company Filing History:

Sumitomo Metal Industries, Inc.
Nippon Steel & Sumitomo Metal Corporation
4. 2 out of 3,780

5. 1 out of 3,384
Nippon Steel Corporation
where one patent can have more than one assignee
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