TREA

Yuichi OGAWA

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  • Tsuchiura-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 12,018,456
    • Issue date Jun 25, 2024
    • Hitachi Construction Machinery Tierra Co., Ltd
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for construction machine
    • Patent number 11,753,800
    • Issue date Sep 12, 2023
    • Hitachi Construction Machinery Tierra Co., Ltd
    • Taihei Maehara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Electrically driven hydraulic construction machine
    • Patent number 11,668,074
    • Issue date Jun 6, 2023
    • Hitachi Construction Machinery Tierra Co., Ltd
    • Yuichi Ogawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 11,313,105
    • Issue date Apr 26, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic energy recovery apparatus for working machine
    • Patent number 11,149,753
    • Issue date Oct 19, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu Takahashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,914,328
    • Issue date Feb 9, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,801,532
    • Issue date Oct 13, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine hydraulic control system
    • Patent number 10,794,044
    • Issue date Oct 6, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Construction Machine
    • Publication number 20220341126
    • Publication date Oct 27, 2022
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Drive System for Construction Machine
    • Publication number 20220307228
    • Publication date Sep 29, 2022
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Taihei MAEHARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Electrically Driven Hydraulic Construction Machine
    • Publication number 20220290410
    • Publication date Sep 15, 2022
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20220290403
    • Publication date Sep 15, 2022
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Electrically Driven Hydraulic Work Machine
    • Publication number 20220259821
    • Publication date Aug 18, 2022
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20210332562
    • Publication date Oct 28, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Energy Recovery Apparatus for Working Machine
    • Publication number 20210131452
    • Publication date May 6, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu TAKAHASHI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine Hydraulic Control System
    • Publication number 20200173145
    • Publication date Jun 4, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine
    • Publication number 20200040547
    • Publication date Feb 6, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine
    • Publication number 20190186106
    • Publication date Jun 20, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING