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Gou Horikawa

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  • Osaka-shi, Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hermetically sealing device and hermetically sealing method
    • Patent number 11,421,811
    • Issue date Aug 23, 2022
    • Waterworks Technology Development Organization Co., Ltd.
    • Gou Horikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve
    • Patent number 11,248,732
    • Issue date Feb 15, 2022
    • Waterworks Technology Development Organization Co., Ltd.
    • Gou Horikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    BRANCH PIPE FORMING APPARATUS, LID DOUBLING AS VALVE ELEMENT, BRANC...
    • Publication number 20230194030
    • Publication date Jun 22, 2023
    • WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
    • Gou HORIKAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GATE VALVE
    • Publication number 20210222816
    • Publication date Jul 22, 2021
    • WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
    • Gou HORIKAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HERMETICALLY SEALING DEVICE AND HERMETICALLY SEALING METHOD
    • Publication number 20200011470
    • Publication date Jan 9, 2020
    • WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
    • Gou Horikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...