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Kouichi Miyazaki

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wind turbine generator system
    • Patent number 8,466,573
    • Issue date Jun 18, 2013
    • Hitachi, Ltd.
    • Akira Kikuchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine generator system
    • Patent number 8,242,620
    • Issue date Aug 14, 2012
    • Hitachi, Ltd.
    • Akira Kikuchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine generator system
    • Patent number 7,952,216
    • Issue date May 31, 2011
    • Hitachi, Ltd.
    • Akira Kikuchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine generator system
    • Patent number 7,615,880
    • Issue date Nov 10, 2009
    • Hitachi, Ltd.
    • Akira Kikuchi
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine generator system
    • Patent number 7,268,443
    • Issue date Sep 11, 2007
    • Hitachi, Ltd.
    • Akira Kikuchi
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Power generation system using synchronous generator
    • Patent number 6,720,753
    • Issue date Apr 13, 2004
    • Hitachi, Ltd.
    • Akira Kikuchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and method of sensorless control for synchronous generator
    • Patent number 6,567,282
    • Issue date May 20, 2003
    • Hitachi, Ltd.
    • Akira Kikuchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents