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Yuichi SAWADA

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  • Kitakyushu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescent element
    • Patent number 11,088,334
    • Issue date Aug 10, 2021
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Masashi Tada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent element
    • Patent number 10,622,570
    • Issue date Apr 14, 2020
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Tokiko Ueda
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC ELECTROLUMINESCENCE ELEMENT
    • Publication number 20200411772
    • Publication date Dec 31, 2020
    • NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    • Tokiko UEDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20190103562
    • Publication date Apr 4, 2019
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Masashi TADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT ELEMENT
    • Publication number 20190088883
    • Publication date Mar 21, 2019
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Tokiko UEDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENCE ELEMENT
    • Publication number 20180351109
    • Publication date Dec 6, 2018
    • NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    • Masashi TADA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...