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MASAKAZU YAMAUCHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric sound generation component
    • Patent number 12,200,441
    • Issue date Jan 14, 2025
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric sounding component
    • Patent number 10,616,689
    • Issue date Apr 7, 2020
    • Murata Manufacturing Co., Ltd.
    • Kazuchika Yamada
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Piezoelectric sounding component
    • Patent number 10,609,490
    • Issue date Mar 31, 2020
    • MURATA MANUFACTURING CO., LTD.
    • Junichi Murakami
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Sound generating device
    • Patent number 10,438,573
    • Issue date Oct 8, 2019
    • MURATA MANUFACTURING CO., LTD.
    • Masakazu Yamauchi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piezoelectric sounding component
    • Patent number 10,397,707
    • Issue date Aug 27, 2019
    • MURATA MANUFACTURING CO., LTD.
    • Yuko Yokoi
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Piezoelectric sound component
    • Patent number 8,942,393
    • Issue date Jan 27, 2015
    • MURATA MANUFACTURING CO., LTD.
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric sounding body
    • Patent number 7,531,946
    • Issue date May 12, 2009
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piezoelectric electro-acoustic transducer
    • Patent number 6,965,680
    • Issue date Nov 15, 2005
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric electroacoustic transducer
    • Patent number 6,888,947
    • Issue date May 3, 2005
    • Murata Manufacturing Co., Ltd.
    • Tetsuo Takeshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Three-terminal filter using area flexural vibration mode
    • Patent number 6,842,087
    • Issue date Jan 11, 2005
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    PIEZOELECTRIC SOUND GENERATION COMPONENT
    • Publication number 20230016891
    • Publication date Jan 19, 2023
    • Murata Manufacturing Co., Ltd.
    • Masakazu YAMAUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PIEZOELECTRIC SOUNDING COMPONENT
    • Publication number 20180270584
    • Publication date Sep 20, 2018
    • Murata Manufacturing Co, Ltd.
    • JUNICHI MURAKAMI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    PIEZOELECTRIC SOUNDING COMPONENT
    • Publication number 20180270585
    • Publication date Sep 20, 2018
    • Murata Manufacturing Co., Ltd.
    • KAZUCHIKA YAMADA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PIEZOELECTRIC SOUNDING COMPONENT
    • Publication number 20180270583
    • Publication date Sep 20, 2018
    • Murata Manufacturing Co., Ltd.
    • Yuko Yokoi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    SOUND GENERATING DEVICE
    • Publication number 20170132998
    • Publication date May 11, 2017
    • Murata Manufacturing Co., Ltd.
    • MASAKAZU YAMAUCHI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Piezoelectric Vibrating Component
    • Publication number 20130320810
    • Publication date Dec 5, 2013
    • Susumu Okazaki
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Piezoelectric Sound Component
    • Publication number 20120163638
    • Publication date Jun 28, 2012
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Piezoelectric Sounding Body
    • Publication number 20070228893
    • Publication date Oct 4, 2007
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Piezoelectric electroacoustic transducer
    • Publication number 20040205949
    • Publication date Oct 21, 2004
    • Murata Manufacturing Co., Ltd.
    • Tetsuo Takeshima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Piezoelectric electro-acoustic transducer
    • Publication number 20030202672
    • Publication date Oct 30, 2003
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Three-terminal filter using area flexural vibration mode
    • Publication number 20030141945
    • Publication date Jul 31, 2003
    • Murata Manufacturing Co., Ltd.
    • Masakazu Yamauchi
    • H03 - BASIC ELECTRONIC CIRCUITRY