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Junshiro Inamura
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Hitachi, JP
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last 30 patents
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Patent Grant
Method of and an apparatus for controlling a plurality of DC motors
Patent number
4,644,232
Issue date
Feb 17, 1987
Hitachi, Ltd.
Yuukou Nojiri
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Method and system for controlling speed of electric motor
Patent number
4,580,084
Issue date
Apr 1, 1986
Hitachi, Ltd.
Tadashi Takahashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER