KK

Kazunori Kawanaka

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Overall (All Time): #3,439,095 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6843827 Method of smelting copper sulfide concentrate Yasuo Ojima, Yasuhiro Kondo 2005-01-18