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Jinichi Toyama
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Katsuta, JP
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last 30 patents
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Patent Grant
Motor control apparatus with an improved thyristor chopper circuit
Patent number
4,209,733
Issue date
Jun 24, 1980
Hitachi, Ltd.
Hiroshi Narita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Control apparatus for electric motor vehicles
Patent number
4,199,711
Issue date
Apr 22, 1980
Hitachi, Ltd.
Michimasa Horiuchi
B60 - VEHICLES IN GENERAL
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Patent Grant
System for detecting output of controllable semiconductor device
Patent number
4,171,510
Issue date
Oct 16, 1979
Hitachi, Ltd.
Hisakatsu Kiwaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER