4 Utility Patents
#1,300 in Hiroshima, 729-3431
#193,190 in Japan
Forward Citations = 6
Company Filing History:

Nippon Steel & Sumitomo Metal Corporation

4. 1 out of 1
Mitsubishi-hitachi Metals
5. 1 out of 580
Posco
where one patent can have more than one assignee
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