TREA

Hideaki Urushibata

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for deinking wastepaper
    • Patent number 5,643,409
    • Issue date Jul 1, 1997
    • Kao Corporation
    • Koji Hamaguchi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking composition and deinking method
    • Patent number 5,585,339
    • Issue date Dec 17, 1996
    • Kao Corporation
    • Koji Hamaguchi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking agent for regenerating waste printed paper comprising reac...
    • Patent number 5,304,316
    • Issue date Apr 19, 1994
    • Kao Corporation
    • Hideaki Urushibata
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking method and deinking composition
    • Patent number 5,288,369
    • Issue date Feb 22, 1994
    • Kao Corporation
    • Yoichi Ishibashi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking agent
    • Patent number 5,281,358
    • Issue date Jan 25, 1994
    • Kao Corporation
    • Hideaki Urushibata
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking agent
    • Patent number 5,120,397
    • Issue date Jun 9, 1992
    • Kao Corporation
    • Hideaki Urushibata
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Deinking agent
    • Patent number 5,100,574
    • Issue date Mar 31, 1992
    • Kao Corporation
    • Hideaki Urushibata
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE