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Toshiaki Takahashi

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  • Shunan-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chromene compound
    • Patent number 8,778,236
    • Issue date Jul 15, 2014
    • Tokuyama Corporation
    • Junji Takenaka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chromene compound
    • Patent number 8,709,308
    • Issue date Apr 29, 2014
    • Tokuyama Corporation
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chromene compound
    • Patent number 8,691,120
    • Issue date Apr 8, 2014
    • Tokuyama Corporation
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chromene compound
    • Patent number 8,308,996
    • Issue date Nov 13, 2012
    • Tokuyama Corporation
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-one
    • Patent number 7,728,154
    • Issue date Jun 1, 2010
    • Tokuyama Corporation
    • Junji Takenaka
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20140054520
    • Publication date Feb 27, 2014
    • Tokuyama Corporation
    • Junji Takenaka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20140034884
    • Publication date Feb 6, 2014
    • Tokuyama Corporation
    • Toshiaki Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20140030529
    • Publication date Jan 30, 2014
    • Tokuyama Corporation
    • Toshiaki Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20120270071
    • Publication date Oct 25, 2012
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20120170098
    • Publication date Jul 5, 2012
    • Toshiaki Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20120161089
    • Publication date Jun 28, 2012
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20120145974
    • Publication date Jun 14, 2012
    • Toshiaki Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CHROMENE COMPOUND
    • Publication number 20120121934
    • Publication date May 17, 2012
    • Toshiaki Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-one
    • Publication number 20080200697
    • Publication date Aug 21, 2008
    • Tokuyama Corporation
    • Junji Takenaka
    • C07 - ORGANIC CHEMISTRY