Shigeki Nishizumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
UHV breaker provided with resistances
- Patent number 5,457,294
- Issue date Oct 10, 1995
- Kabushiki Kaisha Toshiba
- Norimitsu Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistor-provided UHV breaker having delaying/operating mechanism f...
- Patent number 5,424,504
- Issue date Jun 13, 1995
- Kabushiki Kaisha Toshiba
- Tsutomu Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistor-provided UHV breaker
- Patent number 5,401,923
- Issue date Mar 28, 1995
- Kabushiki Kaisha Toshiba
- Norimitsu Kato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Vacuum circuit breaker
- Publication number 20020134757
- Publication date Sep 26, 2002
- Shigeki Nishizumi
- H01 - BASIC ELECTRIC ELEMENTS