Demizu Michinosuke

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact material for vacuum interrupter
- Patent number 4,853,184
- Issue date Aug 1, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Naya Eizo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrode composition for vacuum switch
- Patent number 4,537,743
- Issue date Aug 27, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Takashi Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact material for vacuum circuit breaker
- Patent number 4,517,033
- Issue date May 14, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuhiro Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode composition for vacuum switch
- Patent number 4,499,009
- Issue date Feb 12, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Takashi Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact for vacuum circuit breaker
- Patent number 4,486,631
- Issue date Dec 4, 1984
- Mitsubishi Denki Kabushiki Kaisha
- Eizo Naya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contactor for vacuum type circuit interrupter
- Patent number 4,424,429
- Issue date Jan 3, 1984
- Mitsubishi Denki Kabushiki Kaisha
- Takashi Yamanaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...