TREA

Kei Kawabata

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  • Tochigi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for preventing reverse rotation for hydraulic actuator
    • Patent number 5,862,665
    • Issue date Jan 26, 1999
    • Komatsu Ltd.
    • Jun Maruyama
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic pilot valve
    • Patent number 5,823,227
    • Issue date Oct 20, 1998
    • Komatsu, Ltd.
    • Shuji Hori
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pilot valve
    • Patent number 5,819,800
    • Issue date Oct 13, 1998
    • Komatsu Ltd.
    • Shuji Hori
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL