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Keitaro Takiguchi

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fail-safe system for a reversible pump-turbine apparatus
    • Patent number 4,624,622
    • Issue date Nov 25, 1986
    • Hitachi, Ltd.
    • Takao Kuwabara
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Rotary type pumping machine
    • Patent number 4,472,105
    • Issue date Sep 18, 1984
    • Hitachi, Ltd.
    • Keitaro Takiguchi
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...