TREA

Kyung- Seok Jeon

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  • Cheongju-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 10,892,420
    • Issue date Jan 12, 2021
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 10,693,078
    • Issue date Jun 23, 2020
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 10,566,540
    • Issue date Feb 18, 2020
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 10,497,876
    • Issue date Dec 3, 2019
    • Hodogaya Chemical Co., Ltd.
    • Norimasa Yokoyama
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20180277761
    • Publication date Sep 27, 2018
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20180026199
    • Publication date Jan 25, 2018
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20170346009
    • Publication date Nov 30, 2017
    • Hodogaya Chemical Co., Ltd.
    • Norimasa Yokoyama
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20170346015
    • Publication date Nov 30, 2017
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20170207395
    • Publication date Jul 20, 2017
    • Hodogaya Chemical Co., Ltd.
    • Shuichi Hayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...