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Norifumi Kobayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device and polymer compound
    • Patent number 9,306,170
    • Issue date Apr 5, 2016
    • Sumitomo Chemical Company, Limited
    • Masanobu Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC DEVICE AND POLYMER COMPOUND
    • Publication number 20140039131
    • Publication date Feb 6, 2014
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Masanobu Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20120049167
    • Publication date Mar 1, 2012
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Yusuke Kuramochi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METAL COMPLEX HAVING AROMATIC RING LIGAND CONTAINING NITROGEN ATOM
    • Publication number 20120041203
    • Publication date Feb 16, 2012
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Yusuke Kuramochi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    LUMINESCENT SILVER COMPLEX
    • Publication number 20110309304
    • Publication date Dec 22, 2011
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Norifumi Kobayashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...