Kazuhiro Saito

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 7,064,267
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 7,027,280
- Issue date Apr 11, 2006
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 6,853,528
- Issue date Feb 8, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated device and failure rating method
- Patent number 6,850,399
- Issue date Feb 1, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit breaker
- Patent number 5,039,831
- Issue date Aug 13, 1991
- Hitachi, Ltd.
- Minori Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20050135029
- Publication date Jun 23, 2005
- Tatsuro Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20050135028
- Publication date Jun 23, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20030112569
- Publication date Jun 19, 2003
- Hitachi, Ltd.
- Tatsuro Kato
- H01 - BASIC ELECTRIC ELEMENTS