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Takayuki Iijima

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITION AND LIGHT EMITTING DEVICE CONTAINING THE SAME
    • Publication number 20230134165
    • Publication date May 4, 2023
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Takakazu SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING ELEMENT
    • Publication number 20200266378
    • Publication date Aug 20, 2020
    • Sumitomo Chemical Company, Limited
    • Takayuki IIJIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    NOVEL COMPOUND AND METHOD FOR PRODUCING SAME
    • Publication number 20200140394
    • Publication date May 7, 2020
    • Sumitomo Chemical Company, Limited
    • Satoshi KOBAYASHI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING SAME
    • Publication number 20190048131
    • Publication date Feb 14, 2019
    • Sumitomo Chemical Company, Limited
    • Takayuki IIJIMA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    COMPOSITION FOR FORMING CONDUCTIVE FILM
    • Publication number 20150275015
    • Publication date Oct 1, 2015
    • Sumitomo Chemical Company, Limited
    • Takayuki Iijima
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ELECTROLUMINESCENT COMPOSITION AND ELECTRIC DEVICE WITH HIGH BRIGHT...
    • Publication number 20140008637
    • Publication date Jan 9, 2014
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Masanobu Tanaka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    COMPOSITION OF SILVER-CONJUGATED COMPOUND COMPOSITE
    • Publication number 20140001422
    • Publication date Jan 2, 2014
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Takayuki Iijima
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METALLIC COMPOSITE COMPOSITION AND MIXTURE THEREOF
    • Publication number 20130341571
    • Publication date Dec 26, 2013
    • Sumitomo Chemical Company, Limited
    • Takayuki Iijima
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SILVER-(CONJUGATED COMPOUND) COMPOSITE
    • Publication number 20120168693
    • Publication date Jul 5, 2012
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Takayuki Iijima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METALLIC COMPOSITE AND COMPOSITION THEREOF
    • Publication number 20120032121
    • Publication date Feb 9, 2012
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Hideyuki Higashimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...