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Shunichi Aiyoshizawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Submersible motor pump, motor pump, and tandem mechanical seal
    • Patent number 8,491,277
    • Issue date Jul 23, 2013
    • Ebara Corporation
    • Junya Kawabata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for forming required gas atmosphere
    • Patent number 6,881,268
    • Issue date Apr 19, 2005
    • Ebara Corporation
    • Setsuji Shinoda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • 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

    Drum motor for VCR
    • Patent number 5,471,104
    • Issue date Nov 28, 1995
    • Ebara Corporation
    • Manabu Toshimitsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor using dynamic pressure bearings
    • Patent number 5,357,162
    • Issue date Oct 18, 1994
    • Ebara Corporation
    • Shunichi Aiyoshizawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 5,322,369
    • Issue date Jun 21, 1994
    • Ebara Corporation
    • Tadashi Kataoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor
    • Patent number 5,223,758
    • Issue date Jun 29, 1993
    • Ebara Corporation
    • Takashi Kataoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing structure
    • Patent number 5,142,173
    • Issue date Aug 25, 1992
    • Ebara Corporation
    • Daisuke Konno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor
    • Patent number 5,089,732
    • Issue date Feb 18, 1992
    • Ebara Corporation
    • Daisuke Konno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas dynamic bearing for spindle motor
    • Patent number 4,998,033
    • Issue date Mar 5, 1991
    • Ebara Corporation
    • Yasushi Hisabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents