MT

Masaru Takebayashi

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
📍 Niihama, JP: #299 of 473 inventorsTop 65%
Overall (All Time): #3,815,148 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5178667 Dry process for refining zinc sulfide concentrates Nobumasa Kemori, Akihiko Akada, Hitoshi Takano, Takeshi Kusakabe 1993-01-12