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Yasushi Arai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic drive device of hydraulic operating machine
    • Patent number 8,881,506
    • Issue date Nov 11, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Construction machine
    • Patent number 8,708,087
    • Issue date Apr 29, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Taku Kashu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 8,672,082
    • Issue date Mar 18, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Taku Kashu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Exhaust gas purification system for engineering machine
    • Patent number 8,646,255
    • Issue date Feb 11, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Hidenobu Tsukada
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Exhaust gas treatment apparatus for working machine
    • Patent number 8,534,052
    • Issue date Sep 17, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kentaro Itoga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 8,365,518
    • Issue date Feb 5, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Masanori Ezawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 8,276,370
    • Issue date Oct 2, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei Kamiya
    • B60 - VEHICLES 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

    Automotive construction machine
    • Patent number 8,186,156
    • Issue date May 29, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei Kamiya
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method and device for controlling pump torque for hydraulic constru...
    • Patent number 8,162,618
    • Issue date Apr 24, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 8,096,382
    • Issue date Jan 17, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei Kamiya
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine control system for construction machine
    • Patent number 7,255,088
    • Issue date Aug 14, 2007
    • Hitachi Construction Machinery Co. Ltd.
    • Kazunori Nakamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Signal processing system for construction machine
    • Patent number 7,020,553
    • Issue date Mar 28, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Fuel Device Water Separation System For Industrial Machine
    • Publication number 20170073937
    • Publication date Mar 16, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Kentaro Itoga
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Industrial Machine
    • Publication number 20140365101
    • Publication date Dec 11, 2014
    • Kentaro Itoga
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    INJECTOR, FUEL INJECTION SYSTEM, AND CONSTRUCTION MACHINE PROVIDED...
    • Publication number 20140239090
    • Publication date Aug 28, 2014
    • Wataru Minami
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Engine Control System for Construction Machine
    • Publication number 20130174539
    • Publication date Jul 11, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Masanori EZAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    EXHAUST GAS PURIFICATION SYSTEM FOR HYDRAULIC OPERATING MACHINE
    • Publication number 20120279203
    • Publication date Nov 8, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Yasushi Arai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Exhaust Gas Purification System for Working Machine
    • Publication number 20120180459
    • Publication date Jul 19, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei KAMIYA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Drive Device of Hydraulic Operating Machine
    • Publication number 20120163996
    • Publication date Jun 28, 2012
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Tsuyoshi Nakamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20120067661
    • Publication date Mar 22, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Taku KASHU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20120067660
    • Publication date Mar 22, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Taku KASHU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Exhaust Gas Treatment Apparatus for Working Machine
    • Publication number 20110219744
    • Publication date Sep 15, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Kentaro ITOGA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Vehicular Back Processing System
    • Publication number 20110113766
    • Publication date May 19, 2011
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Shohei Kamiya
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20110000199
    • Publication date Jan 6, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Masanori Ezawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Engine Powered Machine
    • Publication number 20100319321
    • Publication date Dec 23, 2010
    • Hitachi Corporation Machinery Co., Ltd.
    • Shohei Kamiya
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20100212297
    • Publication date Aug 26, 2010
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Shohei Kamiya
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20100139255
    • Publication date Jun 10, 2010
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Shohei Kamiya
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXHAUST GAS PURIFICATION SYSTEM FOR ENGINEERING MACHINE
    • Publication number 20100122522
    • Publication date May 20, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Hidenobu TSUKADA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    AUTOMOTIVE CONSTRUCTION MACHINE
    • Publication number 20100038162
    • Publication date Feb 18, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei Kamiya
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    Engine control system for construction machine
    • Publication number 20060118082
    • Publication date Jun 8, 2006
    • Kazunori Nakamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Method and device for controlling pump torque for hydraulic constru...
    • Publication number 20050160727
    • Publication date Jul 28, 2005
    • Kazunori Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Signal processing system for construction machine
    • Publication number 20050071064
    • Publication date Mar 31, 2005
    • Kazunori Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...