36 Utility Patents
#4 in Kishiwada
#14,352 in Japan
#67,793 in the World
Forward Citations = 317
Company Filing History:
Sumitomo Metal Industries, Inc.
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel Corporation
4. 2 out of 832,347 patents
Other
5. 1 out of 27

where one patent can have more than one assignee
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