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Umemitsu Kobayashi

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  • Mie, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Angular ball bearing and rolling bearing
    • Patent number 7,287,910
    • Issue date Oct 30, 2007
    • NTN Corporation
    • Umemitsu Kobayashi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Synthetic resin retainer and angular ball bearing
    • Patent number 7,059,776
    • Issue date Jun 13, 2006
    • NTN Corporation
    • Umemitsu Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ultrathin-walled rolling bearing
    • Patent number 6,540,405
    • Issue date Apr 1, 2003
    • NTN Corporation
    • Umemitsu Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ultrathin walled rolling bearing
    • Patent number 6,464,397
    • Issue date Oct 15, 2002
    • NTN Corporation
    • Umemitsu Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ultra thin type rolling bearing and cage therefor
    • Patent number 6,367,980
    • Issue date Apr 9, 2002
    • NTN Corporation
    • Umemitsu Kobayashi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Synthetic resin retainer and angular ball bearing
    • Publication number 20040234181
    • Publication date Nov 25, 2004
    • Umemitsu Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Angular ball bearing and rolling bearing
    • Publication number 20040208408
    • Publication date Oct 21, 2004
    • Umemitsu Kobayashi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...