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Yu NAGATOMO

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  • Miyagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Workpiece processing method
    • Patent number 10,685,848
    • Issue date Jun 16, 2020
    • Tokyo Electon Limited
    • Yu Nagatomo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Etching method and workpiece processing method
    • Patent number 10,566,209
    • Issue date Feb 18, 2020
    • Tokyo Electron Limited
    • Yu Nagatomo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Etching method
    • Patent number 9,786,512
    • Issue date Oct 10, 2017
    • Tokyo Electron Limited
    • Yu Nagatomo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Etching method
    • Patent number 9,779,961
    • Issue date Oct 3, 2017
    • Tokyo Electron Limited
    • Yusuke Saitoh
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    WORKPIECE PROCESSING METHOD
    • Publication number 20190080929
    • Publication date Mar 14, 2019
    • TOKYO ELECTRON LIMITED
    • Yu NAGATOMO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ETCHING METHOD AND WORKPIECE PROCESSING METHOD
    • Publication number 20190074191
    • Publication date Mar 7, 2019
    • TOKYO ELECTRON LIMITED
    • Yu Nagatomo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ETCHING METHOD
    • Publication number 20160293440
    • Publication date Oct 6, 2016
    • TOKYO ELECTRON LIMITED
    • Yu NAGATOMO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ETCHING METHOD
    • Publication number 20160064245
    • Publication date Mar 3, 2016
    • TOKYO ELECTRON LIMITED
    • Yusuke SAITOH
    • H01 - BASIC ELECTRIC ELEMENTS