TREA

Sohei Kitayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone
    • Patent number D701854
    • Issue date Apr 1, 2014
    • Sony Corporation
    • Jun Katsumata
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D691583
    • Issue date Oct 15, 2013
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D683328
    • Issue date May 28, 2013
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D679682
    • Issue date Apr 9, 2013
    • Sony Corporation
    • Yosuke Shimizu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D677243
    • Issue date Mar 5, 2013
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D670274
    • Issue date Nov 6, 2012
    • Sony Corporation
    • Jun Katsumata
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D668637
    • Issue date Oct 9, 2012
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D666990
    • Issue date Sep 11, 2012
    • Sony Corporation
    • Jun Komiyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D656125
    • Issue date Mar 20, 2012
    • Sony Corporation
    • Jun Komiyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D637180
    • Issue date May 3, 2011
    • Sony Corporation
    • Yosuke Shimizu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D634730
    • Issue date Mar 22, 2011
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D632282
    • Issue date Feb 8, 2011
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker box
    • Patent number D629389
    • Issue date Dec 21, 2010
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D610129
    • Issue date Feb 16, 2010
    • Sony Corporation
    • Keiko Densho
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D604272
    • Issue date Nov 17, 2009
    • Sony Corporation
    • Sohei Kitayama
    • D14 - Recording, communication, or information retrieval equipment