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DC-DC converter
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Patent number 8,278,884
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Issue date Oct 2, 2012
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Roland Corporation
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Yoshinobu Morimoto
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Speaker
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Patent number D643406
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Issue date Aug 16, 2011
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International Business Machines Corporation
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Yoshinobu Morimoto
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D14 - Recording, communication, or information retrieval equipment
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Speaker
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Patent number D638399
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Issue date May 24, 2011
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Roland Corporation
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Yoshinobu Morimoto
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D14 - Recording, communication, or information retrieval equipment
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Speaker
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Patent number D582391
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Issue date Dec 9, 2008
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Roland Corporation
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Yoshinobu Morimoto
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D14 - Recording, communication, or information retrieval equipment
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Speaker
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Patent number D581902
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Issue date Dec 2, 2008
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Roland Corporation
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Yoshinobu Morimoto
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D14 - Recording, communication, or information retrieval equipment
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Guitar amplifier
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Patent number D495012
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Issue date Aug 24, 2004
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Roland Corporation
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Yoshinobu Morimoto
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D21 - Games, toys, and sports goods