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Takeyoshi Yamamoto

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  • Niihama, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRODYNAMIC BEARING DEVICE
    • Publication number 20090309439
    • Publication date Dec 17, 2009
    • PANASONIC CORPORATION
    • Takeyoshi YAMAMOTO
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Hydrodynamic bearing device and motor and recording and reproducing...
    • Publication number 20080063332
    • Publication date Mar 13, 2008
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spindle motor and rotation device
    • Publication number 20070085432
    • Publication date Apr 19, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydrodynamic bearing device
    • Publication number 20070019894
    • Publication date Jan 25, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydrodynamic bearing device and spindle motor having the bearing de...
    • Publication number 20060255675
    • Publication date Nov 16, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroaki Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Motor using dynamic gas bearings
    • Publication number 20060170297
    • Publication date Aug 3, 2006
    • Masahiro Jyono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spindle motor and rotation apparatus
    • Publication number 20060158052
    • Publication date Jul 20, 2006
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Dynamic pressure bearing motor
    • Publication number 20060138887
    • Publication date Jun 29, 2006
    • Takeyoshi Yamamoto
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Hydrodynamic bearing device, spindle motor, and method for manufact...
    • Publication number 20060104554
    • Publication date May 18, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydrodynamic bearing device and motor
    • Publication number 20060056750
    • Publication date Mar 16, 2006
    • Takeyoshi Yamamoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Hard disk drive device, and fluid dynamic bearing spindle motor and...
    • Publication number 20060002011
    • Publication date Jan 5, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Takeyoshi Yamamoto
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Fluid bearing device and spindle motor
    • Publication number 20050232522
    • Publication date Oct 20, 2005
    • Matsushita Elec. Ind. Co. Ltd.
    • Takeyoshi Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spindle motor
    • Publication number 20050206255
    • Publication date Sep 22, 2005
    • Matsushita Elec. Ind. Co. Ltd.
    • Nobuhiro Yoshino
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Gasdynamic bearing motor
    • Publication number 20040178688
    • Publication date Sep 16, 2004
    • Matsushita Elec. Ind. Co. Ltd.
    • Taizo Ikegawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...