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Hideki Izumi

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  • Tsuchiura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thrust bearing
    • Patent number 4,639,146
    • Issue date Jan 27, 1987
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration-controlling bearing
    • Patent number 4,602,873
    • Issue date Jul 29, 1986
    • Hitachi, Ltd.
    • Hideki Izumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbomolecular pump
    • Patent number 4,579,508
    • Issue date Apr 1, 1986
    • Hitachi, Ltd.
    • Nobuo Tsumaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sliding-type bearing
    • Patent number 4,294,494
    • Issue date Oct 13, 1981
    • Hitachi, Ltd.
    • Masahiro Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...