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last 30 patents
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Patent Grant
Deceleration apparatus for motor and drive circuit for use in motor...
Patent number
5,151,637
Issue date
Sep 29, 1992
Hitachi, Ltd.
Kazuaki Takada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Permanent magnet reversible synchronous motor
Patent number
5,038,065
Issue date
Aug 6, 1991
Hitachi, Ltd.
Jun Matsubayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER