42 Utility Patents
#65 in Kobe
#10,623 in Japan
#50,655 in the World
Forward Citations = 223
Company Filing History:

Nippon Steel & Sumitomo Metal Corporation
Sumitomo Metal Industries, Inc.
4. 13 out of 61

5. 11 out of 3,465
Nippon Steel Corporation
where one patent can have more than one assignee
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