39 Utility Patents
#72 in Kobe
#12,561 in Japan
#59,679 in the World
Forward Citations = 113
Company Filing History:

Other

4. 2 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
5. 2 out of 18
Sumitomo (sei) Steel Wire Corp.
where one patent can have more than one assignee
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