TREA

Yuji Fujiwara

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Biheterocyclic compound
    • Patent number 11,731,960
    • Issue date Aug 22, 2023
    • SUMITOMO PHARMA CO., LTD.
    • Hitoshi Watanabe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Biheterocyclic compound
    • Patent number 11,440,905
    • Issue date Sep 13, 2022
    • SUMITOMO PHARMA CO., LTD.
    • Hitoshi Watanabe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Biheterocyclic compound
    • Patent number 10,870,642
    • Issue date Dec 22, 2020
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hitoshi Watanabe
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Biheterocyclic compound
    • Patent number 10,323,024
    • Issue date Jun 18, 2019
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hitoshi Watanabe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process of a quaternary ammonium salt
    • Patent number 9,309,255
    • Issue date Apr 12, 2016
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Nobuyuki Ae
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process of a quaternary ammonium salt
    • Patent number 8,921,551
    • Issue date Dec 30, 2014
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Nobuyuki Ae
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process of a quaternary ammonium salt using phosphate
    • Patent number 8,586,737
    • Issue date Nov 19, 2013
    • Dainippon Sumitomo Pharma Co., Ltd.
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    BIHETEROCYCLIC COMPOUND
    • Publication number 20220380353
    • Publication date Dec 1, 2022
    • Sumitomo Pharma Co., Ltd.
    • Hitoshi WATANABE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BIHETEROCYCLIC COMPOUND
    • Publication number 20210198242
    • Publication date Jul 1, 2021
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hitoshi WATANABE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BIHETEROCYCLIC COMPOUND
    • Publication number 20190308958
    • Publication date Oct 10, 2019
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hitoshi WATANABE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BIHETEROCYCLIC COMPOUND
    • Publication number 20190016711
    • Publication date Jan 17, 2019
    • SUMITOMO DAINIPPON PHARMA CO., LTD.
    • Hitoshi WATANABE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS OF A QUATERNARY AMMONIUM SALT
    • Publication number 20150087830
    • Publication date Mar 26, 2015
    • SUMITOMO DAINIPPON PHARMA CO., LTD
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS OF PREPARING A QUATERNARY AMMONIUM SALT USING PHOSPHATE
    • Publication number 20140256939
    • Publication date Sep 11, 2014
    • Dainippon Sumitomo Pharma Co., Ltd.
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS OF A QUATERNARY AMMONIUM SALT USING PHOSPHATE
    • Publication number 20140031548
    • Publication date Jan 30, 2014
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS OF A QUATERNARY AMMONIUM SALT
    • Publication number 20110263847
    • Publication date Oct 27, 2011
    • Dainippon Sumitomo Pharma Co, Ltd.
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS OF A QUATERNARY AMMONIUM SALT USING PHOSPHATE
    • Publication number 20110263848
    • Publication date Oct 27, 2011
    • Dainippon Sumitomo Pharma Co., Ltd.
    • Nobuyuki AE
    • C07 - ORGANIC CHEMISTRY