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Yohei IKUMA

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OXO-SUBSTITUTED COMPOUND
    • Publication number 20230287009
    • Publication date Sep 14, 2023
    • Sumitomo Pharma Co., Ltd.
    • Toshio KANAI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PROCESS FOR PREPARING SUBSTITUTED PYRAZOLO[1,5-a]PYRAZINES
    • Publication number 20230210850
    • Publication date Jul 6, 2023
    • Sumitomo Pharma Co., Ltd.
    • Yohei IKUMA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    NOVEL SUBSTITUTED CONDENSED RING COMPOUND
    • Publication number 20230038124
    • Publication date Feb 9, 2023
    • Sumitomo Pharma Co., Ltd.
    • Sachiko KOIKE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SUBSTITUTED LACTAMS SHOWING SEROTONIN 5-HT RECEPTOR ACTIVITY
    • Publication number 20230008875
    • Publication date Jan 12, 2023
    • Sumitomo Pharma Co., Ltd.
    • Hidefumi YOSHINAGA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    OXO-SUBSTITUTED COMPOUND
    • Publication number 20210147448
    • Publication date May 20, 2021
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Toshio KANAI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    6,7-DIHYDROPYRAZOLO[1,5-a]PYRAZINONE DERIVATIVE AND MEDICAL USE THE...
    • Publication number 20210030754
    • Publication date Feb 4, 2021
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Yohei IKUMA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    6,7-DIHYDROPYRAZOLO[1,5-a]PYRAZINONE DERIVATIVE AND MEDICAL USE THE...
    • Publication number 20200345729
    • Publication date Nov 5, 2020
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Yohei IKUMA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    CONDENSED LACTAM DERIVATIVE
    • Publication number 20200255432
    • Publication date Aug 13, 2020
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hidefumi YOSHINAGA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    CONDENSED LACTAM DERIVATIVE
    • Publication number 20200172543
    • Publication date Jun 4, 2020
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hidefumi YOSHINAGA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    CONDENSED 5-OXAZOLIDINONE DERIVATIVE
    • Publication number 20170022218
    • Publication date Jan 26, 2017
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Yohei IKUMA
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    FUSED PYRAZOLE DERIVATIVE
    • Publication number 20160318933
    • Publication date Nov 3, 2016
    • Sumitomo Dainippon Pharma Co., Ltd.
    • Hidefumi YOSHINAGA
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    1-(CYCLOALKYL-CARBONYL)PROLINE DERIVATIVE
    • Publication number 20150210640
    • Publication date Jul 30, 2015
    • SUMITOMO DAINIPPON PHARMA CO., LTD.
    • Yohei Ikuma
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    N-SUBSTITUTED-CYCLIC AMINO DERIVATIVE
    • Publication number 20120122773
    • Publication date May 17, 2012
    • DAINIPPON SUMITOMO PHARMA CO., LTD.
    • Satoshi Suetsugu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BICYCLIC HETEROCYCLIC DERIVATIVE
    • Publication number 20110190278
    • Publication date Aug 4, 2011
    • DAINIPPON SUMITOMO PHARMA CO.
    • Hiroyuki Nakahira
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    AMIDE DERIVATIVE
    • Publication number 20100056497
    • Publication date Mar 4, 2010
    • DAINIPPON SUMITOMO PHARMA CO., LTD
    • Hiroyuki Nakahira
    • C07 - ORGANIC CHEMISTRY