TREA

Yoko Tomofuji

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reticle
    • Patent number 5,837,405
    • Issue date Nov 17, 1998
    • Kabushiki Kaisha Toshiba
    • Yoko Tomofuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reticle and method of fabricating reticle
    • Patent number 5,660,956
    • Issue date Aug 26, 1997
    • Kabushiki Kaisha Toshiba
    • Yoko Tomofuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of exposing light in a method of fabricating a reticle
    • Patent number 5,595,844
    • Issue date Jan 21, 1997
    • Kabushiki Kaisha Toshiba
    • Yoko Tomofuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of fabricating a reticle
    • Patent number 5,589,305
    • Issue date Dec 31, 1996
    • Kabushiki Kaisha Toshiba
    • Yoko Tomofuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY