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Piezoelectric device
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Patent number 10,529,910
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Issue date Jan 7, 2020
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Nihon Dempa Kogyo Co., Ltd.
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Yoshiharu Sato
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H01 - BASIC ELECTRIC ELEMENTS
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Crystal unit
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Patent number 10,333,489
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Issue date Jun 25, 2019
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Nihon Dempa Kogyo Co., Ltd.
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Kenji Shimao
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H03 - BASIC ELECTRONIC CIRCUITRY
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Crystal unit
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Patent number 10,263,597
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Issue date Apr 16, 2019
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Nihon Dempa Kogyo Co., Ltd.
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Yoshiharu Sato
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H03 - BASIC ELECTRONIC CIRCUITRY
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