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Takashi Kanai

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  • Kashiwa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic driving device
    • Patent number 6,772,590
    • Issue date Aug 10, 2004
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic drive device
    • Patent number 6,651,428
    • Issue date Nov 25, 2003
    • Hitachi Construction Machinery Co., Ltd.
    • Kiwamu Takahashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 6,584,770
    • Issue date Jul 1, 2003
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving device
    • Patent number 6,526,747
    • Issue date Mar 4, 2003
    • Hitachi Construction Machinery Co., Ltd.
    • Kenichiro Nakatani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive device
    • Patent number 6,408,622
    • Issue date Jun 25, 2002
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic driving unit
    • Patent number 6,397,591
    • Issue date Jun 4, 2002
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive apparatus
    • Patent number 6,192,681
    • Issue date Feb 27, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine speed control system for construction machine
    • Patent number 6,176,126
    • Issue date Jan 23, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 6,105,367
    • Issue date Aug 22, 2000
    • Hitachi Construction Machinery Co. Ltd.
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 5,535,587
    • Issue date Jul 16, 1996
    • Hitachi Construction Machinery Co., Ltd.
    • Hirohisa Tanaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system and valve apparatus
    • Patent number 5,251,444
    • Issue date Oct 12, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Masami Ochiai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic driving circuit with motor displacement limitation control
    • Patent number 5,203,168
    • Issue date Apr 20, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Morio Oshina
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety device for hydraulic closed circuit
    • Patent number 5,048,294
    • Issue date Sep 17, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Morio Oshina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 5,003,776
    • Issue date Apr 2, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Takashi Kanai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Solenoid operated valve apparatus
    • Patent number 4,919,390
    • Issue date Apr 24, 1990
    • Hitachi Construction Machinery Co., Ltd.
    • Ken Ichiryu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Hydraulic drive circuit system
    • Patent number 4,846,046
    • Issue date Jul 11, 1989
    • Hitachi Construction Machinery Co., Ltd.
    • Takashi Kanai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Flow control valve apparatus
    • Patent number 4,813,447
    • Issue date Mar 21, 1989
    • Hitachi Construction Machinery Co., Ltd.
    • Ken Ichiryu
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic drive device
    • Publication number 20030097836
    • Publication date May 29, 2003
    • Kiwamu Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic driving device
    • Publication number 20030019209
    • Publication date Jan 30, 2003
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic drive system
    • Publication number 20020157389
    • Publication date Oct 31, 2002
    • Yasutaka Tsuruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic driving device
    • Publication number 20020134227
    • Publication date Sep 26, 2002
    • Kenichiro Nakatani
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING