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Kazuyoshi Umemura

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  • Mie, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Damper for speaker and speaker using the damper
    • Patent number 8,428,298
    • Issue date Apr 23, 2013
    • Panasonic Corporation
    • Kimihiro Ando
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 8,116,510
    • Issue date Feb 14, 2012
    • Panasonic Corporation
    • Kazuyoshi Umemura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 7,995,788
    • Issue date Aug 9, 2011
    • Panasonic Corporation
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 7,844,071
    • Issue date Nov 30, 2010
    • Panasonic Corporation
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 7,574,013
    • Issue date Aug 11, 2009
    • Panasonic Corporation
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Magnetic circuit for loudspeaker and loudspeaker comprising it
    • Patent number 7,149,322
    • Issue date Dec 12, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Ryo Kuribayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20100172536
    • Publication date Jul 8, 2010
    • PANASONIC CORPORATION
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20100158305
    • Publication date Jun 24, 2010
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACTIVE NOISE REDUCTION SYSTEM
    • Publication number 20090208025
    • Publication date Aug 20, 2009
    • PANASONIC CORPORATION
    • Yoshiyuki Hayashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20090052724
    • Publication date Feb 26, 2009
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Kazuyoshi Umemura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DAMPER FOR SPEAKER AND SPEAKER USING THE DAMPER
    • Publication number 20090028377
    • Publication date Jan 29, 2009
    • Kimihiro Ando
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker
    • Publication number 20070177757
    • Publication date Aug 2, 2007
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20070121995
    • Publication date May 31, 2007
    • Osamu Funahashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Magnetic circuit for loudspeaker and loudspeaker comprising it
    • Publication number 20040086148
    • Publication date May 6, 2004
    • Ryo Kuribayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE