Kunio Sekine

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Akita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of selective separation and concentration of gallium and/or...
- Patent number 4,517,096
- Issue date May 14, 1985
- Dowa Mining Co., Ltd.
- Kunio Sekine
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for polishing cathode plates for metal electrolytic refinery
- Patent number 4,148,108
- Issue date Apr 10, 1979
- Dowa Mining Co., Ltd.
- Sachio Kamata
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR