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Nobuhiko Ichiki

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  • Tsuchiura-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Joystick for electro-hydraulic control system
    • Patent number 7,265,304
    • Issue date Sep 4, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuhiko Ichiki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Directional control valve device
    • Patent number 6,327,959
    • Issue date Dec 11, 2001
    • Hitachi Construction Machinery
    • Kinya Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pressure compensating valves
    • Patent number 6,135,149
    • Issue date Oct 24, 2000
    • Hitachi Construction Machinery Co., Ltd.
    • Yusaku Nozawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Directional control valve with flow distribution valves
    • Patent number 5,957,159
    • Issue date Sep 28, 1999
    • Hitachi Construction Machinery Co., Ltd.
    • Kinya Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic control system
    • Patent number 5,921,165
    • Issue date Jul 13, 1999
    • Hitachi Construction Machinery Co., Ltd.
    • Kinya Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 5,485,724
    • Issue date Jan 23, 1996
    • Hitachi Construction Machinery Co., Ltd.
    • Yusaku Nozawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    High-speed solenoid valve apparatus
    • Patent number 5,301,920
    • Issue date Apr 12, 1994
    • Hitachi Construction Machinery Co., Ltd.
    • Nobuhiko Ichiki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control valve apparatus
    • Patent number 4,706,932
    • Issue date Nov 17, 1987
    • Hitachi Construction Machinery Co., Ltd.
    • Kunihiko Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents