TREA

Yasutaka Tsuruga

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  • Shiga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 12,054,918
    • Issue date Aug 6, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 12,049,744
    • Issue date Jul 30, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 12,043,983
    • Issue date Jul 23, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 12,018,458
    • Issue date Jun 25, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 12,000,416
    • Issue date Jun 4, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,965,315
    • Issue date Apr 23, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,946,226
    • Issue date Apr 2, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi Hoshino
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,946,492
    • Issue date Apr 2, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi Hoshino
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,946,224
    • Issue date Apr 2, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,739,502
    • Issue date Aug 29, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,718,977
    • Issue date Aug 8, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Brake system
    • Patent number 11,554,760
    • Issue date Jan 17, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki Tanaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 11,454,004
    • Issue date Sep 27, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,391,020
    • Issue date Jul 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive apparatus
    • Patent number 11,377,822
    • Issue date Jul 5, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,230,821
    • Issue date Jan 25, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Kanazawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,193,254
    • Issue date Dec 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine with automatic and manual operating control
    • Patent number 11,149,410
    • Issue date Oct 19, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,149,413
    • Issue date Oct 19, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji Ishihara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Vehicular brake system
    • Patent number 11,124,166
    • Issue date Sep 21, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki Tanaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,995,475
    • Issue date May 4, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 10,907,666
    • Issue date Feb 2, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Construction machine
    • Patent number 10,633,825
    • Issue date Apr 28, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for construction machine
    • Patent number 10,626,575
    • Issue date Apr 21, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroyuki Kobayashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for hydraulic construction machine
    • Patent number 10,604,914
    • Issue date Mar 31, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine to adjust operation reaction force of an opera...
    • Patent number 10,533,303
    • Issue date Jan 14, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshiyuki Tsuchie
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for construction machine
    • Patent number 10,450,722
    • Issue date Oct 22, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Construction machine
    • Patent number 10,450,725
    • Issue date Oct 22, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroyuki Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,435,870
    • Issue date Oct 8, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic control system for working machine
    • Patent number 10,400,797
    • Issue date Sep 3, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Tsutomu Udagawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Work Machine
    • Publication number 20240352710
    • Publication date Oct 24, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20240344297
    • Publication date Oct 17, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20240068203
    • Publication date Feb 29, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230358022
    • Publication date Nov 9, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230323634
    • Publication date Oct 12, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi HOSHINO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230323635
    • Publication date Oct 12, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi HOSHINO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230184265
    • Publication date Jun 15, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi HOSHINO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230167622
    • Publication date Jun 1, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230105014
    • Publication date Apr 6, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230099135
    • Publication date Mar 30, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230085676
    • Publication date Mar 23, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230085648
    • Publication date Mar 23, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230084767
    • Publication date Mar 16, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Work Machine
    • Publication number 20220333348
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220333352
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220298752
    • Publication date Sep 22, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220290406
    • Publication date Sep 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220154741
    • Publication date May 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki ISHII
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Drive Apparatus
    • Publication number 20210340731
    • Publication date Nov 4, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20210317636
    • Publication date Oct 14, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Akira KANAZAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20210262200
    • Publication date Aug 26, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine
    • Publication number 20210254309
    • Publication date Aug 19, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20210002868
    • Publication date Jan 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Drive System
    • Publication number 20200232488
    • Publication date Jul 23, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    VEHICULAR BRAKE SYSTEM
    • Publication number 20200189541
    • Publication date Jun 18, 2020
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Takaaki TANAKA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20200032485
    • Publication date Jan 30, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    BRAKE SYSTEM
    • Publication number 20200010060
    • Publication date Jan 9, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki TANAKA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20190345697
    • Publication date Nov 14, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji ISHIHARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20190338494
    • Publication date Nov 7, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL SYSTEM FOR HYDRAULIC CONSTRUCTION MACHINE
    • Publication number 20180355583
    • Publication date Dec 13, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING