Kozo Arai

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Sakaishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy foil for cathode of electrolytic capacitors
- Patent number 4,800,133
- Issue date Jan 24, 1989
- Showa Aluminum Corporation
- Kozo Arai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for treating surface of aluminum foil for use as electrode...
- Patent number 4,547,275
- Issue date Oct 15, 1985
- Showa Aluminum Kabushiki Kaisha
- Tatsuhiko Ejima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing high-purity aluminum
- Patent number 4,469,512
- Issue date Sep 4, 1984
- Showa Aluminum Corporation
- Hideo Shingu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy foils for cathodes of electrolytic capacitors
- Patent number 4,401,489
- Issue date Aug 30, 1983
- Showa Aluminium Kabushiki Kaisha
- Kozo Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process of preparing aluminum of high purity
- Patent number 4,373,950
- Issue date Feb 15, 1983
- Showa Aluminium Kabushiki Kaisha
- Hideo Shingu
- B22 - CASTING POWDER METALLURGY