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Masuo Goto
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Hitachi, JP
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last 30 patents
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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
Excitation control apparatus for a generator
Patent number
4,245,182
Issue date
Jan 13, 1981
Hitachi, Ltd.
Hiroaki Aotsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Excitation control apparatus suited for normal stop operation of sy...
Patent number
4,129,818
Issue date
Dec 12, 1978
Hitachi, Ltd.
Masuo Goto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Field overvoltage protecting apparatus for synchronous machine
Patent number
4,118,749
Issue date
Oct 3, 1978
Hitachi, Ltd.
Takeshi Matuzaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control system for hydroelectric power station system
Patent number
4,109,160
Issue date
Aug 22, 1978
Hitachi, Ltd.
Masuo Goto
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...