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Toshisada Koyama

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-resolver rotation angle sensor with integrated housing
    • Publication number 20080169712
    • Publication date Jul 17, 2008
    • MINEBEA CO., LTD.
    • Toshisada Koyama
    • G01 - MEASURING TESTING
  • Information Patent Application

    Pivot assembly
    • Publication number 20050146810
    • Publication date Jul 7, 2005
    • MINEBEA CO., LTD.
    • Yasuhiro Mouri
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Rotation angle sensor having single wire windings and method for wi...
    • Publication number 20050034541
    • Publication date Feb 17, 2005
    • Toshisada Koyama
    • G01 - MEASURING TESTING
  • Information Patent Application

    Variable reluctance resolver including rotor with multiple detectio...
    • Publication number 20050035760
    • Publication date Feb 17, 2005
    • Taiichi Miya
    • G01 - MEASURING TESTING
  • Information Patent Application

    Multi-resolver rotation angle sensor with integrated housing
    • Publication number 20050034545
    • Publication date Feb 17, 2005
    • Toshisada Koyama
    • G01 - MEASURING TESTING
  • Information Patent Application

    Bearing device
    • Publication number 20040136630
    • Publication date Jul 15, 2004
    • Yasuhiro Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pivot assembly for hard disk drive use
    • Publication number 20040136116
    • Publication date Jul 15, 2004
    • Toshisada Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Bearing device
    • Publication number 20040136629
    • Publication date Jul 15, 2004
    • MINEBEA CO., LTD.
    • Yasuhiro Mori
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Pivot assembly for hard disk drive use
    • Publication number 20040131292
    • Publication date Jul 8, 2004
    • MINEBEA CO., LTD.
    • Toshisada Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Pivot assembly for hard disk drive use
    • Publication number 20040100734
    • Publication date May 27, 2004
    • MINEBEA CO., LTD.
    • Toshisada Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Pivot bearing assembly and a method of manufacturing the same
    • Publication number 20030156773
    • Publication date Aug 21, 2003
    • Kunihiro Tsuchiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pivot bearing for the swing arm of the hard disk drive device
    • Publication number 20030044096
    • Publication date Mar 6, 2003
    • MINEBEA KABUSHIKI-KAISHA
    • Toshisada Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Swing arm assembly
    • Publication number 20020118491
    • Publication date Aug 29, 2002
    • Toshisada Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spindle motor and pivot assembly
    • Publication number 20020047389
    • Publication date Apr 25, 2002
    • MINEBEA CO., LTD.
    • Akio Okamiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator block
    • Publication number 20020041471
    • Publication date Apr 11, 2002
    • MINEBEA CO., LTD.
    • Toshisada Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Magnetic disk device
    • Publication number 20020039259
    • Publication date Apr 4, 2002
    • MINEBEA CO.,LTD.
    • Toshisada Koyama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Pivot bearing assembly
    • Publication number 20020039461
    • Publication date Apr 4, 2002
    • MINEBEA CO., LTD.
    • Rikuro Obara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pivot assembly
    • Publication number 20020006015
    • Publication date Jan 17, 2002
    • MINEBEA CO., LTD.
    • Yasuhiro Mouri
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...