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Kinpei Okano

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vertical motor pump
    • Patent number 4,545,741
    • Issue date Oct 8, 1985
    • Hitachi, Ltd.
    • Shunzoo Tomioka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine shaft seal with centrifugal removal of sand and s...
    • Patent number 4,529,209
    • Issue date Jul 16, 1985
    • Hitachi, Ltd.
    • Katsutoshi Nii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of producing bearing component
    • Patent number 4,508,396
    • Issue date Apr 2, 1985
    • Hitachi, Ltd.
    • Motomichi Doi
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    X-Ray tube apparatus
    • Patent number 4,433,432
    • Issue date Feb 21, 1984
    • Hitachi, Ltd.
    • Katsutoshi Nii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bearing system for vertical type rotary machine
    • Patent number 4,416,555
    • Issue date Nov 22, 1983
    • Hitachi, Ltd.
    • Shunzo Tomioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of diagnosis of operating conditions of bearing and apparatu...
    • Patent number 4,376,389
    • Issue date Mar 15, 1983
    • Hitachi, Ltd.
    • Tomoaki Inoue
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Guide bearing device
    • Patent number 4,291,926
    • Issue date Sep 29, 1981
    • Hitachi, Ltd.
    • Shunzo Tomioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...