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Tomohiko Kamimura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Connection device
    • Patent number 9,103,484
    • Issue date Aug 11, 2015
    • Yamaha Corporation
    • Toyofumi Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electroacoustic transducing device
    • Patent number 9,055,359
    • Issue date Jun 9, 2015
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Diaphragm including a first vibrating part of a dome shape or flat...
    • Patent number 8,442,261
    • Issue date May 14, 2013
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 8,290,201
    • Issue date Oct 16, 2012
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 8,041,070
    • Issue date Oct 18, 2011
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable communication apparatus and microphone device for the appa...
    • Patent number 7,187,956
    • Issue date Mar 6, 2007
    • Hosiden Corporation
    • Shigeru Sugino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number D529482
    • Issue date Oct 3, 2006
    • Hosiden Corporation
    • Tomohiko Kamimura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D519986
    • Issue date May 2, 2006
    • Hosiden Corporation
    • Tomohiko Kamimura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electric acoustic converter having a rear surface terminal
    • Patent number 6,842,530
    • Issue date Jan 11, 2005
    • NEC Corporation
    • Kenji Fukazawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Hand-free apparatus
    • Patent number 6,438,248
    • Issue date Aug 20, 2002
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphone
    • Patent number 4,409,442
    • Issue date Oct 11, 1983
    • Hosiden Electronics Co., Ltd.
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCING DEVICE
    • Publication number 20110123061
    • Publication date May 26, 2011
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Connection Device
    • Publication number 20110079701
    • Publication date Apr 7, 2011
    • Yamaha Corporation
    • Toyofumi HAYASHI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEAKER DAMPER AND SPEAKER INCLUDING THE SAME
    • Publication number 20110075880
    • Publication date Mar 31, 2011
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20100316249
    • Publication date Dec 16, 2010
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DOME-SHAPED DIAPHRAGM AND LOUDSPEAKER USING THE SAME
    • Publication number 20090304225
    • Publication date Dec 10, 2009
    • HOSIDEN CORPORATION
    • Tomohiko KAMIMURA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20090296979
    • Publication date Dec 3, 2009
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20090296978
    • Publication date Dec 3, 2009
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Flat panel speaker
    • Publication number 20060093165
    • Publication date May 4, 2006
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Portable communication apparatus and microphone device for the appa...
    • Publication number 20030064687
    • Publication date Apr 3, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigeru Sugino
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electric acoustic converter having a rear surface terminal
    • Publication number 20010053233
    • Publication date Dec 20, 2001
    • NEC Corporation
    • Kenji Fukazawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE