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Akifumi Okigawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC EL DISPLAY PANEL
    • Publication number 20180366680
    • Publication date Dec 20, 2018
    • JOLED INC.
    • Akifumi OKIGAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC EL DISPLAY PANEL
    • Publication number 20180358572
    • Publication date Dec 13, 2018
    • JOLED INC.
    • Kenji HARADA
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Plasma display panel and plasma display device
    • Publication number 20050068267
    • Publication date Mar 31, 2005
    • NEC PLASMA DISPLAY CORPORATION
    • Toshihiro Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Plasma display panel and method of manufacturing plasma display panel
    • Publication number 20050023978
    • Publication date Feb 3, 2005
    • NEC Corporation
    • Akifumi Okigawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Plasma display panel
    • Publication number 20040070340
    • Publication date Apr 15, 2004
    • Kota Araki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Plasma display panel and method of manufacturing plasma display panel
    • Publication number 20020195939
    • Publication date Dec 26, 2002
    • NEC Corporation
    • Akifumi Okigawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Plasma display panel
    • Publication number 20020084752
    • Publication date Jul 4, 2002
    • NEC Corporation
    • Toshihiro Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Plasma display panel
    • Publication number 20010054872
    • Publication date Dec 27, 2001
    • NEC Corporation
    • Akifumi Okigawa
    • H01 - BASIC ELECTRIC ELEMENTS