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Kiyoshi Haginuma

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  • Fujisawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic pressure type bearing and spindle unit
    • Patent number 5,009,520
    • Issue date Apr 23, 1991
    • Nippon Seiko Kabushiki Kaisha
    • Toshimi Takajo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure type fluid bearing device
    • Patent number 4,934,836
    • Issue date Jun 19, 1990
    • Nippon Seiko Kabushiki Kaisha
    • Katsuhiko Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...