NK

Naoto Kanbara

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Overall (All Time): #3,579,477 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6220797 Surface treated steel cutting tool Yoshiro Ishii 2001-04-24