TREA

Kazufumi Nakagawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Tapered roller bearing
    • Patent number 6,086,261
    • Issue date Jul 11, 2000
    • NTN Corporation
    • Kazufumi Nakagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Autotensioner
    • Patent number 5,186,689
    • Issue date Feb 16, 1993
    • NTN Corporation
    • Ken Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...