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Katsufumi Suzuki

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  • Kawagoe-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Silicon-containing heterocyclic compound, and quencher
    • Patent number 10,913,855
    • Issue date Feb 9, 2021
    • FUJIFILM WAKO PURE CHEMICAL CORPORATION
    • Katsufumi Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Reverse photochromic compound
    • Patent number 10,696,898
    • Issue date Jun 30, 2020
    • FUJIFILM Wako Pure Chemical Corporation
    • Ryuzi Katoh
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quencher
    • Patent number 10,377,713
    • Issue date Aug 13, 2019
    • FUJIFILM WAKO PURE CHEMICAL CORPORATION
    • Katsufumi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cyanine coloring composition
    • Patent number 10,253,118
    • Issue date Apr 9, 2019
    • FUJIFILM WAKO PURE CHEMICAL CORPORATION
    • Yukihiko Shida
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Rhodamine-based coloring composition
    • Patent number 10,119,030
    • Issue date Nov 6, 2018
    • FUJIFILM WAKO PURE CHEMICAL CORPORATION
    • Katsufumi Suzuki
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    REVERSE PHOTOCHROMIC COMPOUND
    • Publication number 20190382654
    • Publication date Dec 19, 2019
    • FUJIFILM Wako Pure Chemical Corporation
    • Ryuzi KATOH
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SILICON-CONTAINING HETEROCYCLIC COMPOUND, AND QUENCHER
    • Publication number 20190233651
    • Publication date Aug 1, 2019
    • FUJIFILM Wako Pure Chemical Corporation
    • Katsufumi SUZUKI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    QUENCHER
    • Publication number 20170342031
    • Publication date Nov 30, 2017
    • WAKO PURE CHEMICAL INDUSTRIES, LTD.
    • Katsufumi Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    RHODAMINE-BASED COLORING COMPOSITION
    • Publication number 20170145216
    • Publication date May 25, 2017
    • WAKO PURE CHEMICAL INDUSTRIES, LTD.
    • Katsufumi Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CYANINE COLORING COMPOSITION
    • Publication number 20170015765
    • Publication date Jan 19, 2017
    • WAKO PURE CHEMICAL INDUSTRIES, LTD.
    • Yukihiko SHIDA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...