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Motor control device
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Patent number 12,308,771
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Issue date May 20, 2025
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Hitachi Industrial Equipment Systems Co., Ltd.
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Mitsuru Matsubara
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Motor control device
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Patent number 11,831,262
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Issue date Nov 28, 2023
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Hitachi Industrial Equipment Systems Co., Ltd.
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Mitsuru Matsubara
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Resonance type power supply device
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Patent number 11,424,685
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Issue date Aug 23, 2022
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Hitachi Industrial Equipment Systems Co., Ltd.
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Yusuke Uei
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER