TREA

Kenji Okuma

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling bearing with sealing plate having grease enclosed therein
    • Patent number 6,450,691
    • Issue date Sep 17, 2002
    • NSK, Ltd.
    • Kenji Okuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing
    • Patent number 6,329,326
    • Issue date Dec 11, 2001
    • NSK Ltd.
    • Kenichi Iso
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cage for a rolling bearing
    • Patent number 6,068,408
    • Issue date May 30, 2000
    • NSK Ltd.
    • Yasushi Mutoh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal containing age resistors for rolling bearing
    • Patent number 5,695,198
    • Issue date Dec 9, 1997
    • NSK Ltd.
    • Akira Iwamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...