Shunji Ito

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas-insulated switchgear tank
- Patent number 7,193,172
- Issue date Mar 20, 2007
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,646,861
- Issue date Nov 11, 2003
- Hitachi, Ltd.
- Hiroyasu Watanabe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,560,091
- Issue date May 6, 2003
- Hitachi, Ltd.
- Masahiro Takahoshi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,556,428
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Masahiro Takahoshi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Gas-insulated switchgear tank
- Publication number 20060186091
- Publication date Aug 24, 2006
- Hitachi Ltd.
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas-insulated switchgear tank
- Publication number 20050056617
- Publication date Mar 17, 2005
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS