Keizo Inagaki

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Hitachi, JP

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Patents Grantslast 30 patents

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Method and system of transformer protection and method and system o...
- Patent number 5,170,308
- Issue date Dec 8, 1992
- Hitachi, Ltd.
- Keizo Inagaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformer protection system
- Patent number 4,772,978
- Issue date Sep 20, 1988
- Hitachi, Ltd.
- Yoshifumi Oura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER