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Seiji Ijuin

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cylindrical roller bearing
    • Patent number 6,530,693
    • Issue date Mar 11, 2003
    • NSK Ltd.
    • Seiji Ijuin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller bearing
    • Patent number 5,890,815
    • Issue date Apr 6, 1999
    • NSK Ltd.
    • Seiji Ijuin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing for a high speed rotation
    • Patent number 5,399,027
    • Issue date Mar 21, 1995
    • NSK Ltd.
    • Seiji Ijuin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...