TREA

Wakai Hitoshi

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  • Niigata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic EL element
    • Patent number 6,975,066
    • Issue date Dec 13, 2005
    • Nippon Seiki Co., Ltd.
    • Hitoshi Wakai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electroluminescent display
    • Patent number 6,624,571
    • Issue date Sep 23, 2003
    • Nippon Seiki Co., Ltd.
    • Tadokoro Toyoyasu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Luminous display unit
    • Patent number 6,570,337
    • Issue date May 27, 2003
    • Nippon Seiki Co., Ltd.
    • Hitoshi Wakai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Driver circuit for organic electroluminescent display
    • Patent number 6,316,879
    • Issue date Nov 13, 2001
    • Nippon Seiki Co., Ltd.
    • Wakai Hitoshi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Organic el element
    • Publication number 20020163298
    • Publication date Nov 7, 2002
    • Hitoshi Wakai
    • H01 - BASIC ELECTRIC ELEMENTS