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Michihiro Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring
    • Patent number 9,464,717
    • Issue date Oct 11, 2016
    • NIPPON PISTON RING CO., LTD.
    • Michihiro Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON RING
    • Publication number 20130234400
    • Publication date Sep 12, 2013
    • NIPPON PISTON RING CO., LTD.
    • Akira Iijima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20130043659
    • Publication date Feb 21, 2013
    • Nippon Piston Ring Co., Ltd.
    • Michihiro Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...