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Ryouta YOSHIKI

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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

    Land-mounted flap gate
    • Patent number 9,267,253
    • Issue date Feb 23, 2016
    • Hitachi Zosen Corporation
    • Kyouichi Nakayasu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Floating flap gate
    • Patent number 9,091,033
    • Issue date Jul 28, 2015
    • Hitachi Zosen Corporation
    • Kyouichi Nakayasu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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

    LAND-MOUNTED FLAP GATE
    • Publication number 20150299973
    • Publication date Oct 22, 2015
    • Hitachi Zosen Corporation
    • Kyouichi NAKAYASU
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FLOATING FLAP GATE
    • Publication number 20140328628
    • Publication date Nov 6, 2014
    • HITACHI ZOSEN CORPORATION
    • Kyouichi Nakayasu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING