TREA

Hideaki Nakagawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Display apparatus
    • Patent number 6,313,816
    • Issue date Nov 6, 2001
    • Sony Corporation
    • Toshihisa Kojima
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display apparatus
    • Patent number 6,154,362
    • Issue date Nov 28, 2000
    • Sony Corporation
    • Hitoshi Takahashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display tube assembly and mounting process thereof
    • Patent number 5,045,974
    • Issue date Sep 3, 1991
    • Sony Corporation
    • Akio Ohkoshi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electron beam indicator tube with accelerating electrode
    • Patent number 4,857,800
    • Issue date Aug 15, 1989
    • Sony Corporation
    • Akio Ohkoshi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluorescent display apparatus
    • Patent number 4,734,623
    • Issue date Mar 29, 1988
    • Sony Corporation
    • Akio Ohkoshi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Light source display for a large picture screen
    • Patent number 4,727,284
    • Issue date Feb 23, 1988
    • Sony Corporation
    • Akio Ohkoshi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Luminescent display device
    • Patent number 4,710,765
    • Issue date Dec 1, 1987
    • Sony Corporation
    • Akio Ohkoshi
    • H01 - BASIC ELECTRIC ELEMENTS