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Teruo Akiyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control system, work machine, and control method
    • Patent number 10,604,913
    • Issue date Mar 31, 2020
    • Komatsu Ltd.
    • Yuta Kamoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control system, work machine, and control method
    • Patent number 10,407,865
    • Issue date Sep 10, 2019
    • Komatsu Ltd.
    • Yuta Kamoshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system, work machine, and control method
    • Patent number 10,385,545
    • Issue date Aug 20, 2019
    • Komatsu Ltd.
    • Yuta Kamoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control system, work machine, and control method
    • Patent number 10,344,781
    • Issue date Jul 9, 2019
    • Komatsu Ltd.
    • Yuta Kamoshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Drive device of construction machine
    • Patent number 10,017,917
    • Issue date Jul 10, 2018
    • Komatsu Ltd.
    • Tadashi Kawaguchi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,845,814
    • Issue date Dec 19, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,810,246
    • Issue date Nov 7, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,790,966
    • Issue date Oct 17, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,709,076
    • Issue date Jul 18, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,695,842
    • Issue date Jul 4, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 9,683,585
    • Issue date Jun 20, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic excavator
    • Patent number 9,328,480
    • Issue date May 3, 2016
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Engine control device
    • Patent number 9,127,439
    • Issue date Sep 8, 2015
    • Komatsu Ltd.
    • Takeshi Ooi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Swing drive controlling system for construction machine
    • Patent number 9,022,749
    • Issue date May 5, 2015
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Engine control device and engine control method
    • Patent number 9,002,590
    • Issue date Apr 7, 2015
    • Komatsu, Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine control device
    • Patent number 8,701,401
    • Issue date Apr 22, 2014
    • Komatsu Ltd.
    • Takeshi Ooi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine control device, and its control method
    • Patent number 8,640,451
    • Issue date Feb 4, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cooling fan drive apparatus
    • Patent number 6,311,488
    • Issue date Nov 6, 2001
    • Komatsu Ltd.
    • Kazuhiro Maruta
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Operating valve assembly with pressure compensation valve
    • Patent number 5,666,808
    • Issue date Sep 16, 1997
    • Kabushiki Kaisha Komatsu Seisakusho
    • Koji Yamashita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Multiple valve unit for pressurized fluid supply system
    • Patent number 5,622,206
    • Issue date Apr 22, 1997
    • Kabushiki Kaisha Komatsu Seisakusho
    • Masamitsu Takeuchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Operating valve assembly with pressure compensation valve
    • Patent number 5,535,663
    • Issue date Jul 16, 1996
    • Kabushiki Kaisha Komatsu Seisakusho
    • Koji Yamashita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pressurized fluid supply system
    • Patent number 5,533,334
    • Issue date Jul 9, 1996
    • Kabushiki Kaisha Komatsu Seisakusho
    • Masamitsu Takeuchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit for operating plural actuators and its pressure c...
    • Patent number 5,481,872
    • Issue date Jan 9, 1996
    • Kabushiki Kaisha Komatsu Seisakusho
    • Tadao Karakama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit including pressure compensating valve
    • Patent number 5,409,038
    • Issue date Apr 25, 1995
    • Kabushiki Kaisha Komatsu Seisakusho
    • Nobumi Yoshida
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit system
    • Patent number 5,398,507
    • Issue date Mar 21, 1995
    • Kabushiki Kaisha Komatsu Seisakusho
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit for swivel working machine
    • Patent number 5,291,821
    • Issue date Mar 8, 1994
    • Kabushiki Kaisha Komatsu Seisakusho
    • Kohji Yamashita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit apparatus for supplying fluid under pressure into...
    • Patent number 5,279,122
    • Issue date Jan 18, 1994
    • Kabushiki Kaisha Komatsu Seisakusho
    • Kiyoshi Shirai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Operation valve with pressure compensation valve
    • Patent number 5,273,069
    • Issue date Dec 28, 1993
    • Komatsu, Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic apparatus with pressure compensating valves
    • Patent number 5,271,227
    • Issue date Dec 21, 1993
    • Kabushiki Kaisha Komatsu Seisakusho
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit system
    • Patent number 5,259,192
    • Issue date Nov 9, 1993
    • Kabushiki Kaisha Komatsu Seisakusho
    • Tadao Karakama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
    • Publication number 20180230670
    • Publication date Aug 16, 2018
    • Komatsu Ltd.
    • Yuta Kamoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
    • Publication number 20180216637
    • Publication date Aug 2, 2018
    • Komatsu Ltd.
    • Yuta Kamoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
    • Publication number 20180058041
    • Publication date Mar 1, 2018
    • Komatsu Ltd.
    • Yuta Kamoshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
    • Publication number 20180030692
    • Publication date Feb 1, 2018
    • Komatsu Ltd.
    • Yuta Kamoshita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DRIVE DEVICE OF CONSTRUCTION MACHINE
    • Publication number 20170121940
    • Publication date May 4, 2017
    • Komatsu Ltd.
    • Tadashi Kawaguchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20150176610
    • Publication date Jun 25, 2015
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20150013320
    • Publication date Jan 15, 2015
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20140345265
    • Publication date Nov 27, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20140283510
    • Publication date Sep 25, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20140130487
    • Publication date May 15, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20140123639
    • Publication date May 8, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC EXCAVATOR
    • Publication number 20140123847
    • Publication date May 8, 2014
    • Komatsu Ltd.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Engine Control Device
    • Publication number 20120304634
    • Publication date Dec 6, 2012
    • Komatsu Ltd.
    • Takeshi Ooi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Engine Control Device
    • Publication number 20120304635
    • Publication date Dec 6, 2012
    • Komatsu Ltd.
    • Takeshi Ooi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ROTATION DRIVE CONTROLLING SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20110020146
    • Publication date Jan 27, 2011
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ENGINE CONTROL DEVICE AND ENGINE CONTROL METHOD
    • Publication number 20100332102
    • Publication date Dec 30, 2010
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Engine Control Device, And Its Control Method
    • Publication number 20100167873
    • Publication date Jul 1, 2010
    • KOMATSU LTD.
    • Teruo Akiyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING