Syozo Umetsu

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Sakai, 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
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