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Masahiko Kakizawa

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Etching agent, etching method and etching agent preparation liquid
    • Patent number 9,845,538
    • Issue date Dec 19, 2017
    • Wako Pure Chemical Industries, Ltd.
    • Takahiro Yokomizo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Resist remover composition and method for removing resist using the...
    • Patent number 9,006,164
    • Issue date Apr 14, 2015
    • Wako Pure Chemical Industries, Ltd.
    • Hironori Mizuta
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent for substrate and cleaning method
    • Patent number 8,900,371
    • Issue date Dec 2, 2014
    • Wako Pure Chemical Industries, Ltd.
    • Hironori Mizuta
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Semiconductor wafer cleaning agent and cleaning method
    • Patent number 7,375,066
    • Issue date May 20, 2008
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent for a semi-conductor substrate
    • Patent number 6,716,803
    • Issue date Apr 6, 2004
    • Wako Pure Chemcial Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent for a semi-conductor substrate
    • Patent number 6,534,458
    • Issue date Mar 18, 2003
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent
    • Patent number 6,514,921
    • Issue date Feb 4, 2003
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent
    • Patent number 6,410,494
    • Issue date Jun 25, 2002
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent for a semi-conductor substrate
    • Patent number 6,310,019
    • Issue date Oct 30, 2001
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Cleaning agent
    • Patent number 6,143,705
    • Issue date Nov 7, 2000
    • Wako Pure Chemical Industries, Ltd.
    • Masahiko Kakizawa
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Surface treating agents and treating process for semiconductors
    • Patent number 5,840,127
    • Issue date Nov 24, 1998
    • Wako Pure Chemical Industries, Ltd.
    • Ichiro Hayashida
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Surface treating agents and treating process for semiconductors
    • Patent number 5,580,846
    • Issue date Dec 3, 1996
    • Wako Pure Chemical Industries, Ltd.
    • Ichiro Hayashida
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Surface treating cleaning method
    • Patent number 5,290,361
    • Issue date Mar 1, 1994
    • Wako Pure Chemical Industries, Ltd.
    • Ichiro Hayashida
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents