Shozo Umetsu

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing aluminum foils used as electrolytic capaci...
- Patent number 5,417,839
- Issue date May 23, 1995
- Showa Aluminum Corporation
- Masashi Sakaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum-based alloy foil for negative electrodes of electrolytic c...
- Patent number 4,824,494
- Issue date Apr 25, 1989
- Showa Aluminum Kabushiki Kaisha
- Shozo Umetsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...