TREA

Katsumi Sugiyama

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  • Iwata-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheel bearing and sealing device therefor
    • Patent number 6,979,001
    • Issue date Dec 27, 2005
    • NTN Corporation
    • Hisashi Ohtsuki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wheel bearing and sealing device therefor
    • Patent number 6,637,754
    • Issue date Oct 28, 2003
    • NTN Corporation
    • Hisashi Ohtsuki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Wheel bearing and sealing device therefor
    • Publication number 20040086212
    • Publication date May 6, 2004
    • NTN Corporation
    • Hisashi Ohtsuki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...