TREA

Kenji YAMADA

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  • Toyama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic drive system for construction machine
    • Patent number 10,215,198
    • Issue date Feb 26, 2019
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic driving system for construction machine
    • Patent number 10,100,495
    • Issue date Oct 16, 2018
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu Takahashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for construction machine
    • Patent number 10,060,451
    • Issue date Aug 28, 2018
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for construction machine
    • Patent number 9,976,283
    • Issue date May 22, 2018
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Yasutaka Tsuruga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic Driving System for Construction Machine
    • Publication number 20170067226
    • Publication date Mar 9, 2017
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20160333900
    • Publication date Nov 17, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20160265561
    • Publication date Sep 15, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20160258133
    • Publication date Sep 8, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka TSURUGA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING