13 Utility Patents
#97 in Wakayama
#63,483 in Japan
#297,277 in the World
Forward Citations = 114
Company Filing History:
Nippon Steel Corporation

Sumitomo Metal Industries, Inc.
4. 4 out of 162

5. 3 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
where one patent can have more than one assignee
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