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Keisuke Tejima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disc player
    • Patent number D711925
    • Issue date Aug 26, 2014
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D681577
    • Issue date May 7, 2013
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D619148
    • Issue date Jul 6, 2010
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D597103
    • Issue date Jul 28, 2009
    • Sony Corporation
    • Kai Xiao
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc recorder and hard disc drive
    • Patent number D585858
    • Issue date Feb 3, 2009
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc recorder and hard disk drive
    • Patent number D585859
    • Issue date Feb 3, 2009
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc recorder and hard disc drive
    • Patent number D582868
    • Issue date Dec 16, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D580385
    • Issue date Nov 11, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Amplifier
    • Patent number D578505
    • Issue date Oct 14, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Amplifier
    • Patent number D570330
    • Issue date Jun 3, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Amplifier
    • Patent number D569840
    • Issue date May 27, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc recorder and hard disc drive
    • Patent number D564493
    • Issue date Mar 18, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D564477
    • Issue date Mar 18, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc recorder and hard disc drive
    • Patent number D563942
    • Issue date Mar 11, 2008
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D519092
    • Issue date Apr 18, 2006
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc recorder
    • Patent number D513242
    • Issue date Dec 27, 2005
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc recorder
    • Patent number D503693
    • Issue date Apr 5, 2005
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D500018
    • Issue date Dec 21, 2004
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker box
    • Patent number D498230
    • Issue date Nov 9, 2004
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D497895
    • Issue date Nov 2, 2004
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Optical disc player
    • Patent number D475357
    • Issue date Jun 3, 2003
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined recorder and disc player
    • Patent number D475036
    • Issue date May 27, 2003
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Receiver
    • Patent number D459715
    • Issue date Jul 2, 2002
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker box
    • Patent number D437307
    • Issue date Feb 6, 2001
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined amplifier and radio receiver
    • Patent number D435034
    • Issue date Dec 12, 2000
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined disc player and tape player
    • Patent number D434748
    • Issue date Dec 5, 2000
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Stand
    • Patent number D426540
    • Issue date Jun 13, 2000
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc cartridge with aperture for access to disc provided with shutt...
    • Patent number 6,057,995
    • Issue date May 2, 2000
    • Sony Corporation
    • Keitaro Yamashita
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Combined disc recorder and player
    • Patent number D423009
    • Issue date Apr 18, 2000
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc recorder combined with radio receiver and disc player
    • Patent number D417451
    • Issue date Dec 7, 1999
    • Sony Corporation
    • Keisuke Tejima
    • D14 - Recording, communication, or information retrieval equipment