TREA

Ako Hidenobu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Servo control apparatus
    • Patent number 5,025,199
    • Issue date Jun 18, 1991
    • Teijin Seiki Company Limited
    • Hidenobu Ako
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Directional control valve
    • Patent number 4,995,424
    • Issue date Feb 26, 1991
    • Teijin Seiki Co., Ltd.
    • Hidenobu Ako
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electro-hydraulic servo actuator with function for adjusting rigidity
    • Patent number 4,947,732
    • Issue date Aug 14, 1990
    • Teijin Seike Co., Ltd.
    • Ako Hidenobu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Directional control valve
    • Patent number 4,913,191
    • Issue date Apr 3, 1990
    • Teijin Seiki Co., Ltd.
    • Hidenobu Ako
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Servo circuit with failure detection mechanism
    • Patent number 4,902,947
    • Issue date Feb 20, 1990
    • Teijin Seiki Company Limited
    • Hidenobu Ako
    • G05 - CONTROLLING REGULATING