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Qi Zheng

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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

    Earphone
    • Patent number D698762
    • Issue date Feb 4, 2014
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D682257
    • Issue date May 14, 2013
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D675599
    • Issue date Feb 5, 2013
    • Sony Corporation
    • Yoshiaki Kumagai
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D669057
    • Issue date Oct 16, 2012
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio visual device
    • Patent number D666171
    • Issue date Aug 28, 2012
    • Sony Corporation
    • Xiaofeng Song
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D656489
    • Issue date Mar 27, 2012
    • Sony Corporation
    • Yoshiaki Kumagai
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D635558
    • Issue date Apr 5, 2011
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D633899
    • Issue date Mar 8, 2011
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D628193
    • Issue date Nov 30, 2010
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D627765
    • Issue date Nov 23, 2010
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Optical disc player with radio receiver
    • Patent number D601998
    • Issue date Oct 13, 2009
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Optical disc player with radio receiver
    • Patent number D599322
    • Issue date Sep 1, 2009
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D597070
    • Issue date Jul 28, 2009
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Optical disc player combined with radio receiver
    • Patent number D581392
    • Issue date Nov 25, 2008
    • Sony Corporation
    • Qi Zheng
    • D14 - Recording, communication, or information retrieval equipment