TREA

Toru ITAGAKI

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Floating flap gate
    • Patent number 9,903,081
    • Issue date Feb 27, 2018
    • Hitachi Zosen Corporation
    • Ryouta Yoshiki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Apparatus for shutting off flow of water through ductwork
    • Patent number 9,528,621
    • Issue date Dec 27, 2016
    • Hitachi Zosen Corporation
    • Yuuichiro Kimura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOATING FLAP GATE
    • Publication number 20170044731
    • Publication date Feb 16, 2017
    • Hitachi Zosen Corporation
    • Ryouta YOSHIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    APPARATUS FOR SHUTTING OFF FLOW OF WATER THROUGH DUCTWORK
    • Publication number 20150330526
    • Publication date Nov 19, 2015
    • Hitachi Zosen Corporation
    • Yuuichiro KIMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...