Akita Zinc Co., Ltd.

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Akita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of sulfur purification
- Patent number 5,824,282
- Issue date Oct 20, 1998
- Akita Zinc Co., Ltd.
- Hideki Nagata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Automatic transferring and processing apparatus of cathode and meth...
- Patent number 5,762,767
- Issue date Jun 9, 1998
- Akita Zinc Co., Ltd.
- Tomizo Yamada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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