TREA

Nobuei Ariga

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Patents Grantslast 30 patents

  • Information Patent Grant

    Urea water tank for construction machine
    • Patent number 11,331,605
    • Issue date May 17, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroyuki Azuma
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 10,590,628
    • Issue date Mar 17, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Engine lug-down suppressing device for hydraulic work machinery
    • Patent number 8,726,664
    • Issue date May 20, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic work machine
    • Patent number 8,521,374
    • Issue date Aug 27, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Hideo Karasawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pump torque control system for hydraulic construction machine
    • Patent number 8,424,298
    • Issue date Apr 23, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Torque control apparatus for construction machine three-pump system
    • Patent number 8,371,117
    • Issue date Feb 12, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Engine lag down suppressing device of construction machinery
    • Patent number 8,266,903
    • Issue date Sep 18, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Yoichi Kowatari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pump control apparatus for construction machine
    • Patent number 8,006,491
    • Issue date Aug 30, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for hydraulic construction machine
    • Patent number 7,584,611
    • Issue date Sep 8, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control system for hydraulic construction machine
    • Patent number 7,543,448
    • Issue date Jun 9, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Work machine
    • Patent number 7,464,493
    • Issue date Dec 16, 2008
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic circuit of construction machinery
    • Patent number 7,272,928
    • Issue date Sep 25, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic circuit of construction machinery
    • Patent number 7,076,947
    • Issue date Jul 18, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Urea Water Tank for Construction Machine
    • Publication number 20210220764
    • Publication date Jul 22, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroyuki AZUMA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WORK MACHINE
    • Publication number 20190112791
    • Publication date Apr 18, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei ARIGA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Work Machine
    • Publication number 20120310492
    • Publication date Dec 6, 2012
    • HITACHI CONSTRUCTION MACHINERY CO LTD
    • Hideo Karasawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Engine Lug-Down Suppressing Device for Hydraulic Work Machinery
    • Publication number 20110146283
    • Publication date Jun 23, 2011
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20100277590
    • Publication date Nov 4, 2010
    • Hitachi Construction Machinery Co. Ltd
    • Nobuei Ariga
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    TORQUE CONTROL APPARATUS FOR CONSTRUCTION MACHINE THREE-PUMP SYSTEM
    • Publication number 20100218493
    • Publication date Sep 2, 2010
    • Kazunori Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PUMP TORQUE CONTROL SYSTEM FOR HYDRAULIC CONSTRUCTION MACHINE
    • Publication number 20100186402
    • Publication date Jul 29, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PUMP CONTROL APPARATUS FOR CONSTRUCTION MACHINE
    • Publication number 20090044528
    • Publication date Feb 19, 2009
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Control System for Hydraulic Construction Machine
    • Publication number 20080245065
    • Publication date Oct 9, 2008
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Kazunori Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Engine Lag Down Suppressing Device of Construction Machinery
    • Publication number 20080236157
    • Publication date Oct 2, 2008
    • Hitachi Construction Machinery Co., Ltd.
    • Yoichi Kowatari
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Control System For Hydraulic Construction Machine
    • Publication number 20080072588
    • Publication date Mar 27, 2008
    • Nobuei Ariga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20070261277
    • Publication date Nov 15, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic circuit of construction machinery
    • Publication number 20060207248
    • Publication date Sep 21, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuei Ariga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic circuit of construction machinery
    • Publication number 20040020082
    • Publication date Feb 5, 2004
    • Nobuei Ariga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING