Kenya Motoyoshi

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Itami, JA

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Patents Grantslast 30 patents

Information Patent Grant
Electrical contact material
- Patent number 4,072,515
- Issue date Feb 7, 1978
- Sumitomo Electric Industries, Ltd.
- Kenya Motoyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical contact material
- Patent number 4,050,930
- Issue date Sep 27, 1977
- Sumitomo Electric Industries, Ltd.
- Kenya Motoyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...