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Naoko Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling bearing
    • Patent number 9,051,653
    • Issue date Jun 9, 2015
    • NTN Corporation
    • Hideyuki Tsutsui
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Hard multilayer film formed body and method for manufacturing same
    • Patent number 8,728,621
    • Issue date May 20, 2014
    • NTN Corporation
    • Kouya Oohira
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROLLING BEARING
    • Publication number 20130016937
    • Publication date Jan 17, 2013
    • NTN CORPORATION
    • Hideyuki Tsutsui
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    HARD MULTILAYER FILM FORMED BODY AND METHOD FOR MANUFACTURING SAME
    • Publication number 20110195265
    • Publication date Aug 11, 2011
    • Kouya Oohira
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ROLLING BEARING
    • Publication number 20110135229
    • Publication date Jun 9, 2011
    • NTN CORPORATION
    • Naoko Ito
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...