TREA

Ikuo Shinohara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headset
    • Patent number 7,120,267
    • Issue date Oct 10, 2006
    • Sony Corporation
    • Tomohiro Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Switch-equipped input-output plug
    • Patent number 6,979,231
    • Issue date Dec 27, 2005
    • Sony Corporation
    • Ikuo Shinohara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Speaker
    • Patent number 6,587,571
    • Issue date Jul 1, 2003
    • Sony Corporation
    • Masao Fujihira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 6,542,617
    • Issue date Apr 1, 2003
    • Sony Corporation
    • Masao Fujihira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer
    • Patent number 6,175,637
    • Issue date Jan 16, 2001
    • Sony Corporation
    • Masao Fujihira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer
    • Patent number 6,035,052
    • Issue date Mar 7, 2000
    • Sony Corporation
    • Masao Fujihira
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphone
    • Patent number 5,519,782
    • Issue date May 21, 1996
    • Sony Corporation
    • Ikuo Shinohara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Auricle insertion headphone with improved grill
    • Patent number 5,420,935
    • Issue date May 30, 1995
    • Sony Corporation
    • Ikuo Shinohara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transducer having two ducts
    • Patent number 5,115,473
    • Issue date May 19, 1992
    • Sony Corporation
    • Makoto Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    EAR PAD
    • Publication number 20120195454
    • Publication date Aug 2, 2012
    • SONY CORPORATION
    • Hirokazu Nishihara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Switch-equipped input-output plug
    • Publication number 20050064764
    • Publication date Mar 24, 2005
    • SONY CORPORATION
    • Ikuo Shinohara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Headset
    • Publication number 20050008184
    • Publication date Jan 13, 2005
    • Tomohiro Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE