TREA

Hirohisa Tanaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio visual device
    • Patent number D674379
    • Issue date Jan 15, 2013
    • Sony Corporation
    • Akio Suzuki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc player
    • Patent number D613732
    • Issue date Apr 13, 2010
    • Sony Corporation
    • Jun Uchiyama
    • D14 - Recording, communication, or information retrieval equipment