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Transformer
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Patent number 8,198,973
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Issue date Jun 12, 2012
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Hitachi Industrial Equipment Systems Co., Ltd.
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Kazuyuki Fukui
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H01 - BASIC ELECTRIC ELEMENTS
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Transformer
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Patent number 7,471,183
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Issue date Dec 30, 2008
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Hitachi Industrial Equipment Systems Co., Ltd.
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Kouji Yamashita
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H01 - BASIC ELECTRIC ELEMENTS
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Transformer
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Patent number 7,292,127
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Issue date Nov 6, 2007
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Hitachi Industrial Equipment Systems Co., Ltd.
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Kouji Yamashita
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H01 - BASIC ELECTRIC ELEMENTS