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Yuji Ikenaga

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  • Kitakyushu-shi, Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescent element
    • Patent number 11,600,786
    • Issue date Mar 7, 2023
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya Ogawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Organic electroluminescent element
    • Patent number 11,171,295
    • Issue date Nov 9, 2021
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya Ogawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR MANUFACTURING SAME
    • Publication number 20240341179
    • Publication date Oct 10, 2024
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya OGAWA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20240298539
    • Publication date Sep 5, 2024
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Kentaro HAYASHI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DEUTERIDE AND ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20240228496
    • Publication date Jul 11, 2024
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Yuji IKENAGA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    DEUTERIDE AND ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20240237522
    • Publication date Jul 11, 2024
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Yuji IKENAGA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DEUTERIDE AND ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20240237523
    • Publication date Jul 11, 2024
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Yuji IKENAGA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20230284526
    • Publication date Sep 7, 2023
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Takahiro KAI
  • Information Patent Application

    MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTR...
    • Publication number 20230142222
    • Publication date May 11, 2023
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Yuji IKENAGA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENCE ELEMENT MATERIAL AND ORGANIC ELECTROLUM...
    • Publication number 20230128732
    • Publication date Apr 27, 2023
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Yuji IKENAGA
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20230131577
    • Publication date Apr 27, 2023
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Kentaro HAYASHI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR MANUFACTURING SAME
    • Publication number 20220416177
    • Publication date Dec 29, 2022
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Kentaro HAYASHI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20220216427
    • Publication date Jul 7, 2022
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya OGAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20220199913
    • Publication date Jun 23, 2022
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya OGAWA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20220199914
    • Publication date Jun 23, 2022
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya OGAWA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    POLYMER FOR ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROL...
    • Publication number 20210111348
    • Publication date Apr 15, 2021
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Kentaro HAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20210083195
    • Publication date Mar 18, 2021
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Junya OGAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECT...
    • Publication number 20210020851
    • Publication date Jan 21, 2021
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Kentaro HAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20190103564
    • Publication date Apr 4, 2019
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Junya Ogawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20180254426
    • Publication date Sep 6, 2018
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Yuji Ikenaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20180083201
    • Publication date Mar 22, 2018
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Junya Ogawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20170263869
    • Publication date Sep 14, 2017
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Masashi Tada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...