RT

Rikio Takeda

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
📍 Koganei, JP: #289 of 449 inventorsTop 65%
Overall (All Time): #3,986,545 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4710349 Highly conductive copper-based alloy Shinsuke Yamazaki, Iwao Uda 1987-12-01