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Atsushi Ooyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brushless synchronous motor and driving control apparatus therefor
    • Patent number 7,518,332
    • Issue date Apr 14, 2009
    • Ebara Corporation
    • Toshiharu Nakazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Excimer laser apparatus
    • Patent number 6,809,448
    • Issue date Oct 26, 2004
    • Ebara Corporation
    • Natsushi Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic levitation rotating machine
    • Patent number 6,617,722
    • Issue date Sep 9, 2003
    • Ebara Corporation
    • Atsushi Ooyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic bearing and circulation fan apparatus
    • Patent number 6,519,273
    • Issue date Feb 11, 2003
    • Ebara Corporation
    • Shinichi Sekiguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic bearing device for motor-combined structure
    • Patent number 6,455,966
    • Issue date Sep 24, 2002
    • Ebara Corporation
    • Toshimitsu Barada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic bearing device
    • Patent number 6,404,088
    • Issue date Jun 11, 2002
    • Ebara Corporation
    • Toshimitsu Barada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic bearing device
    • Patent number 6,326,712
    • Issue date Dec 4, 2001
    • Ebara Corporation
    • Toshiharu Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Excimer laser apparatus
    • Publication number 20030107283
    • Publication date Jun 12, 2003
    • Natsushi Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Magnetic bearing and magnetic levitation apparatus
    • Publication number 20030107282
    • Publication date Jun 12, 2003
    • Atsushi Ooyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compound motor and operational method thereof
    • Publication number 20020053848
    • Publication date May 9, 2002
    • Akiko Taira
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Magnetic levitation rotating machine
    • Publication number 20020036435
    • Publication date Mar 28, 2002
    • Atsushi Ooyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Magnetic bearing and circulation fan apparatus
    • Publication number 20010017877
    • Publication date Aug 30, 2001
    • EBARA CORPORATION
    • Shinichi Sekiguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...