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Quartz crystal device
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Patent number 11,296,674
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Issue date Apr 5, 2022
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Nihon Dempa Kogyo Co., Ltd.
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Akihiro Sakanashi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Vibrator device, and electronic device
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Patent number 11,218,114
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Issue date Jan 4, 2022
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Seiko Epson Corporation
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Yusuke Matsuzawa
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Crystal unit
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Patent number 11,218,131
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Issue date Jan 4, 2022
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Nihon Dempa Kogyo Co., Ltd.
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Takumi Ariji
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H03 - BASIC ELECTRONIC CIRCUITRY
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Piezoelectric vibrator
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Patent number 10,985,727
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Issue date Apr 20, 2021
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Murata Manufacturing Co., Ltd.
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Mitsunori Ishimasa
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H01 - BASIC ELECTRIC ELEMENTS
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Quartz crystal resonator unit
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Patent number 10,848,125
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Issue date Nov 24, 2020
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Murata Manufacturing Co., Ltd.
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Kazuyuki Noto
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H03 - BASIC ELECTRONIC CIRCUITRY
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Piezoelectric device
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Patent number 10,797,216
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Issue date Oct 6, 2020
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Nihon Dempa Kogyo Co., Ltd.
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Shuichi Mizusawa
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H01 - BASIC ELECTRIC ELEMENTS
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Piezoelectric device
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Patent number 10,673,406
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Issue date Jun 2, 2020
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Nihon Dempa Kogyo Co., Ltd.
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Yoshihiro Watanabe
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H01 - BASIC ELECTRIC ELEMENTS
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