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Class-D amplifier circuit
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Patent number 7,786,795
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Issue date Aug 31, 2010
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Oki Semiconductor Co., Ltd.
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Nobuyuki Shimizu
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H03 - BASIC ELECTRONIC CIRCUITRY
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Amplifying circuit
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Patent number 7,602,237
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Issue date Oct 13, 2009
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Oki Semiconductor Co., Ltd.
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Nobuyuki Shimizu
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H03 - BASIC ELECTRONIC CIRCUITRY
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Amplifier circuit
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Patent number 7,453,316
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Issue date Nov 18, 2008
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Oki Electric Industry Co., Ltd.
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Nobuyuki Shimizu
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H03 - BASIC ELECTRONIC CIRCUITRY
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