TREA

Tetsuya Yagi

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical visualizing apparatus
    • Patent number 6,236,438
    • Issue date May 22, 2001
    • Sony Corporation
    • Tetsuya Yagi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Photovideo camera
    • Patent number 5,347,396
    • Issue date Sep 13, 1994
    • Sony Corporation
    • Toshio Tomiyoshi
    • G02 - OPTICS
  • Information Patent Grant

    Photo video camera device
    • Patent number 5,218,439
    • Issue date Jun 8, 1993
    • Sony Corporation
    • Motoshi Mizoguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE