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Hidehito Kawanishi

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  • Kagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe retaining device for pipe fitting
    • Patent number 11,499,655
    • Issue date Nov 15, 2022
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe detachment preventing device for union nut pipe fitting
    • Patent number 11,473,704
    • Issue date Oct 18, 2022
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling device
    • Patent number 10,436,361
    • Issue date Oct 8, 2019
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling device and construction method therefor
    • Patent number 9,879,805
    • Issue date Jan 30, 2018
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PIPE DETACHMENT PREVENTING DEVICE FOR UNION NUT PIPE FITTING
    • Publication number 20240247740
    • Publication date Jul 25, 2024
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE RETAINING DEVICE FOR PIPE FITTING
    • Publication number 20220213990
    • Publication date Jul 7, 2022
    • SK-KAWANISHI CO., LTD.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE DETACHMENT PREVENTING DEVICE FOR UNION NUT PIPE FITTING
    • Publication number 20220213991
    • Publication date Jul 7, 2022
    • SK-KAWANISHI CO., LTD.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE COUPLING DEVICE
    • Publication number 20170211734
    • Publication date Jul 27, 2017
    • SK-KAWANISHI CO., LTD.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE COUPLING DEVICE AND CONSTRUCTION METHOD THEREFOR
    • Publication number 20160290538
    • Publication date Oct 6, 2016
    • SK-KAWANISHI Co., Ltd.
    • Hidehito Kawanishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...