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Yusuke Kajita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 9,617,715
    • Issue date Apr 11, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Ishida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 9,421,873
    • Issue date Aug 23, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Ishida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic working machine
    • Patent number 9,399,856
    • Issue date Jul 26, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuo Fujishima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic drive device for working machine
    • Patent number 9,341,198
    • Issue date May 17, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi Nakamura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for hydraulic working machine
    • Patent number 9,249,879
    • Issue date Feb 2, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine having swing body
    • Patent number 9,020,707
    • Issue date Apr 28, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Shinya Imura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hybrid construction machine
    • Patent number 8,950,180
    • Issue date Feb 10, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Takatoshi Ooki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hybrid construction machine
    • Patent number 8,924,100
    • Issue date Dec 30, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Shinya Imura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic working machine
    • Patent number 8,336,443
    • Issue date Dec 25, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Toshihiro Abe
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive apparatus
    • Patent number 7,895,833
    • Issue date Mar 1, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic working machine
    • Patent number 7,562,615
    • Issue date Jul 21, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Toshihiro Abe
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive device
    • Patent number 7,434,394
    • Issue date Oct 14, 2008
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive unit
    • Patent number 7,127,888
    • Issue date Oct 31, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving unit
    • Patent number 6,898,932
    • Issue date May 31, 2005
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Interference prevention system for two-piece boom type hydraulic ex...
    • Patent number 6,230,090
    • Issue date May 8, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Ei Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic control system for construction machine
    • Patent number 5,267,440
    • Issue date Dec 7, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Valve apparatus and hydraulic drive system
    • Patent number 5,203,678
    • Issue date Apr 20, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Genroku Sugiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for construction machines
    • Patent number 5,186,000
    • Issue date Feb 16, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Direction selector valve having load-sensing function
    • Patent number 5,161,575
    • Issue date Nov 10, 1992
    • Zexel Corporation
    • Rindo Morikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve system
    • Patent number 5,161,373
    • Issue date Nov 10, 1992
    • Zexel Corporation
    • Rindo Morikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensating valve spool positioned by difference in press...
    • Patent number 5,152,140
    • Issue date Oct 6, 1992
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 5,152,143
    • Issue date Oct 6, 1992
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for civil engineering and construction machine
    • Patent number 5,150,574
    • Issue date Sep 29, 1992
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for construction machines
    • Patent number 5,134,853
    • Issue date Aug 4, 1992
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for civil engineering and construction machine
    • Patent number 5,062,350
    • Issue date Nov 5, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Hideaki Tanaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for construction machines
    • Patent number 5,056,312
    • Issue date Oct 15, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for crawler-mounted construction vehicle
    • Patent number 5,005,358
    • Issue date Apr 9, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20160153176
    • Publication date Jun 2, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji ISHIDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20140188321
    • Publication date Jul 3, 2014
    • Seiji Ishida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20140147238
    • Publication date May 29, 2014
    • Shiho Izumi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20140103874
    • Publication date Apr 17, 2014
    • Seiji Ishida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic Drive Device for Working Machine
    • Publication number 20140090369
    • Publication date Apr 3, 2014
    • Hitachi Contruction Machinery Co., Ltd.
    • Tsuyoshi Nakamura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC WORKING MACHINE
    • Publication number 20140020375
    • Publication date Jan 23, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuo Fujishima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYBRID CONSTRUCTION MACHINE
    • Publication number 20130197768
    • Publication date Aug 1, 2013
    • Shinya Imura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CONSTRUCTION MACHINE HAVING SWING BODY
    • Publication number 20130195597
    • Publication date Aug 1, 2013
    • Shinya Imura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM FOR HYDRAULIC WORKING MACHINE
    • Publication number 20130139678
    • Publication date Jun 6, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYBRID CONSTRUCTION MACHINE
    • Publication number 20120240581
    • Publication date Sep 27, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Takatoshi OOKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC WORKING MACHINE
    • Publication number 20090199552
    • Publication date Aug 13, 2009
    • Hitachi Construction Machinery Co., Ltd.
    • Toshihiro Abe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Drive Apparatus
    • Publication number 20080223205
    • Publication date Sep 18, 2008
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic drive device
    • Publication number 20070028607
    • Publication date Feb 8, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic working machine
    • Publication number 20060162543
    • Publication date Jul 27, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Toshihiro Abe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic drive unit
    • Publication number 20050144938
    • Publication date Jul 7, 2005
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Kajita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic driving unit
    • Publication number 20040068983
    • Publication date Apr 15, 2004
    • Yusuke Kajita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING