Noriaki Munakata

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Patents Grantslast 30 patents

Information Patent Grant
Commutation type DC breaker
- Patent number 8,270,128
- Issue date Sep 18, 2012
- Hitachi, Ltd.
- Noriaki Munakata
- 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
Information Patent Grant
Gas insulated circuit breaker
- Patent number 5,448,030
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Naoyuki Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COMMUTATION TYPE DC BREAKER
- Publication number 20100208392
- Publication date Aug 19, 2010
- Hitachi, Ltd
- Noriaki MUNAKATA
- 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