TREA

Hiroshi ISHIYAMA

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shovel
    • Patent number 10,604,916
    • Issue date Mar 31, 2020
    • Sumitomo Heavy Industries, Ltd.
    • Eisuke Matsuzaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Shovel
    • Patent number 10,337,538
    • Issue date Jul 2, 2019
    • Sumitomo Heavy Industries, Ltd.
    • Eisuke Matsuzaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shovel and method of driving shovel
    • Patent number 10,233,613
    • Issue date Mar 19, 2019
    • Sumitomo Heavy Industries, Ltd.
    • Keiji Honda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SHOVEL AND METHOD OF DRIVING SHOVEL
    • Publication number 20180016770
    • Publication date Jan 18, 2018
    • Sumitomo Heavy Industries, Ltd.
    • Keiji HONDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL
    • Publication number 20170204887
    • Publication date Jul 20, 2017
    • Sumitomo Heavy Industries, Ltd.
    • Eisuke MATSUZAKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL
    • Publication number 20160376770
    • Publication date Dec 29, 2016
    • Sumitomo Heavy Industries, Ltd.
    • Eisuke MATSUZAKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING