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Koji Koyanagi

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dispersant composition for hydraulic compositions for centrifugal m...
    • Patent number 10,800,702
    • Issue date Oct 13, 2020
    • Kao Corporation
    • Yusuke Akino
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dispersant composition for hydraulic composition
    • Patent number 10,322,967
    • Issue date Jun 18, 2019
    • Kao Corporation
    • Kazuya Saida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dispersant composition for hydraulic composition
    • Patent number 10,322,969
    • Issue date Jun 18, 2019
    • Kao Corporation
    • Kazuya Saida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cement slurry composition
    • Patent number 8,728,229
    • Issue date May 20, 2014
    • Kao Corporation
    • Koji Koyanagi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Liquid rheology modifier
    • Patent number 8,648,120
    • Issue date Feb 11, 2014
    • Kao Corporation
    • Koji Koyanagi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Slurry rheology modifier
    • Patent number 8,105,500
    • Issue date Jan 31, 2012
    • Kao Corporation
    • Hotaka Yamamuro
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Surfactant composition
    • Patent number 7,846,876
    • Issue date Dec 7, 2010
    • Kao Corporation
    • Koji Koyanagi
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Rheology modifier
    • Patent number 7,501,021
    • Issue date Mar 10, 2009
    • Kao Corporation
    • Koji Koyanagi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Slurry rheology modifier
    • Patent number 7,374,699
    • Issue date May 20, 2008
    • Kao Corporation
    • Hotaka Yamamuro
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    RHEOLOGY MODIFIER
    • Publication number 20210221739
    • Publication date Jul 22, 2021
    • KAO CORPORATION
    • Koji NAGASAWA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    FOAMING AGENT COMPOSITION FOR CIVIL ENGINEERING-CONSTRUCTION MATERIALS
    • Publication number 20200038827
    • Publication date Feb 6, 2020
    • KAO CORPORATION
    • Koji KOYANAGI
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITIONS FOR CENTRIFUGAL M...
    • Publication number 20180162775
    • Publication date Jun 14, 2018
    • KAO CORPORATION
    • Yusuke AKINO
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
    • Publication number 20180029936
    • Publication date Feb 1, 2018
    • KAO CORPORATION
    • Kazuya SAIDA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
    • Publication number 20180029935
    • Publication date Feb 1, 2018
    • KAO CORPORATION
    • Kazuya SAIDA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    CEMENT SLURRY COMPOSITION
    • Publication number 20120000397
    • Publication date Jan 5, 2012
    • Koji Koyanagi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SLURRY RHEOLOGY MODIFIER
    • Publication number 20080300341
    • Publication date Dec 4, 2008
    • Hotaka Yamamuro
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    PROCESS FOR PRODUCING POWDER
    • Publication number 20080262129
    • Publication date Oct 23, 2008
    • KAO CORPORATION
    • Hotaka YAMAMURO
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Liquid rheology modifier
    • Publication number 20080078814
    • Publication date Apr 3, 2008
    • KAO CORPORATION
    • Koji Koyanagi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Surfactant Composition
    • Publication number 20080058227
    • Publication date Mar 6, 2008
    • KAO CORPORATION
    • Koji Koyanagi
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Application

    Rheology modifier
    • Publication number 20070290160
    • Publication date Dec 20, 2007
    • KAO CORPORATION
    • Koji Koyanagi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Slurry rheology modifier
    • Publication number 20030200901
    • Publication date Oct 30, 2003
    • Hotaka Yamamuro
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES