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Motor drive circuit
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Patent number 9,722,530
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Issue date Aug 1, 2017
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Johnson Electric S.A.
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Chi Ping Sun
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Power converting circuit
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Patent number 9,407,168
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Issue date Aug 2, 2016
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Johnson Electric S.A.
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Chi Ping Sun
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power converting circuit
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Patent number 9,407,180
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Issue date Aug 2, 2016
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Johnson Electric S.A.
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Chi Ping Sun
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power supply circuit and motor device
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Patent number 8,754,606
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Issue date Jun 17, 2014
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Johnson Electric S.A.
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Fei Xin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Driving circuit for capacitive load
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Patent number 7,808,285
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Issue date Oct 5, 2010
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Johnson Electric S.A.
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Chi Ping Sun
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER