Haruo Nohara

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control system for AC motor/generator of secondary AC excitation type
- Patent number 4,742,288
- Issue date May 3, 1988
- Hitachi, Ltd.
- Osamu Sugimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for variable speed hydraulic turbine generator appar...
- Patent number 4,694,189
- Issue date Sep 15, 1987
- Hitachi, Ltd.
- Eiji Haraguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER