TREA

Tsutomu Mizutani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Retainer for rolling bearing and rolling bearing
    • Patent number 7,988,366
    • Issue date Aug 2, 2011
    • NTN Corporation
    • Masayuki Hanano
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Idler pulley
    • Patent number 5,725,448
    • Issue date Mar 10, 1998
    • NTN Corporation
    • Yoshio Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling contact bearing protected against electrolytic corrosion
    • Patent number 5,375,933
    • Issue date Dec 27, 1994
    • NTN Corporation
    • Tsutomu Mizutani
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents