SY

Sigenobu Yamaura

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Overall (All Time): #4,078,030 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4357225 Cathode base plate for electrolytic refining Satoshi Arita, Kiyomi Touge, Akio Shida 1982-11-02