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Kaoru Tamura
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Hitachi, JP
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last 30 patents
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Patent Grant
Control system for an electric locomotive having AC to DC converters
Patent number
4,700,283
Issue date
Oct 13, 1987
Hitachi, Ltd.
Yoshio Tsutsui
B60 - VEHICLES IN GENERAL
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Patent Grant
Pulse width modulation inverter
Patent number
4,455,599
Issue date
Jun 19, 1984
Hitachi, Ltd.
Kaoru Tamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER