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Yasuomi Yagi

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric rotating machine
    • Patent number 7,294,943
    • Issue date Nov 13, 2007
    • Hitachi, Ltd.
    • Kenichi Hattori
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dynamo-electric machine
    • Patent number 7,071,586
    • Issue date Jul 4, 2006
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine with plural coolers in plural ventilation passages
    • Patent number 6,538,351
    • Issue date Mar 25, 2003
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine
    • Patent number 6,426,578
    • Issue date Jul 30, 2002
    • Hitachi, Ltd.
    • Hideaki Mori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,359,351
    • Issue date Mar 19, 2002
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,265,795
    • Issue date Jul 24, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,262,502
    • Issue date Jul 17, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine with reduced thickness and volume of insu...
    • Patent number 6,242,825
    • Issue date Jun 5, 2001
    • Hitachi, Ltd.
    • Hideaki Mori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,201,323
    • Issue date Mar 13, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Turbine generator
    • Patent number 5,469,009
    • Issue date Nov 21, 1995
    • Hitachi, Ltd.
    • Shinichi Wakui
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor for dynamo electric machine
    • Patent number 5,459,363
    • Issue date Oct 17, 1995
    • Hitachi, Ltd.
    • Kado Miyakawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Shaft torsional vibration monitor for a multi-mass rotary shaft system
    • Patent number 4,862,749
    • Issue date Sep 5, 1989
    • Hitachi, Ltd.
    • Yasuomi Yagi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Superconducting device
    • Patent number 4,625,520
    • Issue date Dec 2, 1986
    • Hitachi, Ltd.
    • Yasuomi Yagi
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Cryostat
    • Patent number 4,502,296
    • Issue date Mar 5, 1985
    • Hitachi, Ltd.
    • Hisanao Ogata
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric rotating machine
    • Publication number 20060055255
    • Publication date Mar 16, 2006
    • Hitachi, Ltd
    • Kenichi Hattori
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Dynamo-electric machine
    • Publication number 20040090131
    • Publication date May 13, 2004
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating machine
    • Publication number 20020101121
    • Publication date Aug 1, 2002
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric rotating machine
    • Publication number 20020070621
    • Publication date Jun 13, 2002
    • Hideaki Mori
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC