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Susumu Kashiwazaki
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Utsunomiya, JP
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last 30 patents
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Patent Grant
Speed control apparatus for a brushless direct current motor
Patent number
4,855,652
Issue date
Aug 8, 1989
Hitachi, Ltd.
Koujirou Yamashita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Control system for brushless DC motor
Patent number
4,712,050
Issue date
Dec 8, 1987
Hitachi, Ltd.
Kiyoshi Nagasawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER