TREA

Hiroshi Matsuzaki

Follow

Person

  • Tsukuba, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple valve device
    • Patent number 9,494,171
    • Issue date Nov 15, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshinobu Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control device for working vehicle
    • Patent number 9,175,456
    • Issue date Nov 3, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Takeshi Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic ride control system for working vehicle
    • Patent number 7,703,280
    • Issue date Apr 27, 2010
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshinobu Kobayashi
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIPLE VALVE DEVICE
    • Publication number 20150107712
    • Publication date Apr 23, 2015
    • HITACHI CONSTRUCTION MACHINERY
    • Yoshinobu Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CONTROL DEVICE FOR WORKING VEHICLE
    • Publication number 20130125539
    • Publication date May 23, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Takeshi Kobayashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Directional control valve block
    • Publication number 20070028973
    • Publication date Feb 8, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshinobu Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic ride control system for working vehicle
    • Publication number 20060101815
    • Publication date May 18, 2006
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshinobu Kobayashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING