Shigetoshi Oouchi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Circuit breaker and opening and closing method thereof
- Patent number 7,911,303
- Issue date Mar 22, 2011
- Hitachi, Ltd.
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power use circuit breaker and electrical circuit arrangement for el...
- Patent number 6,838,631
- Issue date Jan 4, 2005
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power use circuit breaker and electrical circuit arrangement for el...
- Patent number 6,751,078
- Issue date Jun 15, 2004
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT BREAKER AND OPENING AND CLOSING METHOD THEREOF
- Publication number 20080156775
- Publication date Jul 3, 2008
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power use circuit breaker and electrical circuit arrangement for el...
- Publication number 20040074875
- Publication date Apr 22, 2004
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS