TREA

Hiroshi Takagaki

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photoresist composition
    • Patent number 6,040,112
    • Issue date Mar 21, 2000
    • Sumitomo Chemical Company, Limited
    • Yuko Yako
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Positive resist composition
    • Patent number 5,916,728
    • Issue date Jun 29, 1999
    • Sumitomo Chemical Company, Limited
    • Nobuhito Fukui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Positive resist composition
    • Patent number 5,891,601
    • Issue date Apr 6, 1999
    • Sumitomo Chemical Company, Ltd.
    • Nobuhito Fukui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for producing resist composition
    • Patent number 5,368,987
    • Issue date Nov 29, 1994
    • Sumitomo Chemical Co., Ltd.
    • Yukio Hanamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Resist composition
    • Patent number 5,360,696
    • Issue date Nov 1, 1994
    • Sumitomo Chemical Co., Ltd.
    • Yukio Hanamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for preparing radiation sensitive compound and positive res...
    • Patent number 5,283,324
    • Issue date Feb 1, 1994
    • Sumitomo Chemical Company, Limited
    • Jun Tomioka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Resist composition containing alkali-soluble resin, 1,2-quinone dia...
    • Patent number 5,198,323
    • Issue date Mar 30, 1993
    • Sumitomo Chemical Co., Ltd.
    • Teijiro Kitao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY