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Mitsumasa Akashi

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  • Oyama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blocking configuration of oil pressure circuit hole
    • Patent number 9,599,225
    • Issue date Mar 21, 2017
    • Komatsu Ltd.
    • Takuya Nohara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steering device for wheel loader
    • Patent number 9,309,647
    • Issue date Apr 12, 2016
    • Komatsu Ltd.
    • Kota Imanishi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Steering device for wheel loader
    • Patent number 9,309,646
    • Issue date Apr 12, 2016
    • Komatsu Ltd.
    • Kota Imanishi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Steering device for wheel loader
    • Patent number 9,309,648
    • Issue date Apr 12, 2016
    • Komatsu Ltd.
    • Kota Imanishi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Steering device for wheel loader
    • Patent number 9,085,319
    • Issue date Jul 21, 2015
    • Komatsu Ltd.
    • Kota Imanishi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Oil filter and valve device
    • Patent number 8,905,244
    • Issue date Dec 9, 2014
    • Komatsu Ltd.
    • Shuuji Hori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic servo-drive device and variable turbo-supercharger using...
    • Patent number 8,770,087
    • Issue date Jul 8, 2014
    • Komatsu Ltd.
    • Daisuke Kozuka
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Electric lever device
    • Patent number 8,468,909
    • Issue date Jun 25, 2013
    • Komatsu Ltd.
    • Shuuji Hori
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Differential pressure sensor
    • Patent number 7,930,943
    • Issue date Apr 26, 2011
    • Komatsu Ltd.
    • Masato Kageyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pressurized fluid feed system
    • Patent number 5,794,510
    • Issue date Aug 18, 1998
    • Komatsu Ltd.
    • Toshiro Takano
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Directional control valve assembly having a pressure compensation v...
    • Patent number 5,778,929
    • Issue date Jul 14, 1998
    • Komatsu Ltd.
    • Naoki Ishizaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensation valve
    • Patent number 5,738,134
    • Issue date Apr 14, 1998
    • Komatsu Ltd.
    • Naoki Ishizaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pressure compensation valve
    • Patent number 5,735,311
    • Issue date Apr 7, 1998
    • Komatsu, Ltd.
    • Naoki Ishizaki
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Hydraulic apparatus for traveling
    • Patent number 5,701,796
    • Issue date Dec 30, 1997
    • Komatsu Ltd.
    • Toshiro Takano
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    BLOCKING CONFIGURATION OF OIL PRESSURE CIRCUIT HOLE
    • Publication number 20160245408
    • Publication date Aug 25, 2016
    • Komatsu Ltd.
    • Takuya Nohara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    STEERING DEVICE FOR WHEEL LOADER
    • Publication number 20150259884
    • Publication date Sep 17, 2015
    • Komatsu Ltd.
    • Kota Imanishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE FOR WHEEL LOADER
    • Publication number 20150259885
    • Publication date Sep 17, 2015
    • Komatsu Ltd.
    • Kota Imanishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE FOR WHEEL LOADER
    • Publication number 20150259886
    • Publication date Sep 17, 2015
    • Komatsu Ltd.
    • Kota Imanishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE OF WHEEL LOADER
    • Publication number 20140083792
    • Publication date Mar 27, 2014
    • Komatsu Ltd.
    • Kota Imanishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    OIL FILTER AND VALVE DEVICE
    • Publication number 20130153488
    • Publication date Jun 20, 2013
    • Komatsu Ltd.
    • Shuuji Hori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ELECTRIC LEVER
    • Publication number 20110226087
    • Publication date Sep 22, 2011
    • Komatsu Ltd.
    • Shuuji Hori
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    HYDRAULIC SERVO-DRIVE DEVICE AND VARIABLE TURBO-SUPERCHARGER USING...
    • Publication number 20110011077
    • Publication date Jan 20, 2011
    • Daisuke Kozuka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DIFFERENTIAL PRESSURE SENSOR
    • Publication number 20100043563
    • Publication date Feb 25, 2010
    • Komatsu Ltd.
    • Masato Kageyama
    • G01 - MEASURING TESTING