Toshiharu Kojima

Person

  • Wakayama, JP

Patents Grantslast 30 patents

  • 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

    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

    Cement additive

    • Patent number 5,137,577
    • Issue date Aug 11, 1992
    • Kao Corporation
    • Masanori Iizuka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • 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

    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

    Rheology modifier

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