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Ryouhei Hosaka

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device and rolling bearing apparatus
    • Patent number 8,226,298
    • Issue date Jul 24, 2012
    • JTEKT Corporation
    • Ryouhei Hosaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing Bearing
    • Publication number 20100002971
    • Publication date Jan 7, 2010
    • JTEKT CORPORATION
    • Ryouhei Hosaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sealing device and rolling bearing apparatus
    • Publication number 20090257699
    • Publication date Oct 15, 2009
    • Ryouhei Hosaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...