TREA

Kazutomo Takahashi

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combined oil ring
    • Patent number 9,528,606
    • Issue date Dec 27, 2016
    • Nippon Piston Ring Co., Ltd.
    • Hideshi Hitosugi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined steel oil control ring
    • Patent number 7,044,472
    • Issue date May 16, 2006
    • Nippon Piston Ring Co., Ltd.
    • Akira Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20180051806
    • Publication date Feb 22, 2018
    • NIPPON PISTON RING CO., LTD
    • Yasuyuki MURATA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20140062030
    • Publication date Mar 6, 2014
    • Nippon Piston Ring Co., Ltd.
    • Hideshi HITOSUGI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combined steel oil control ring
    • Publication number 20030090066
    • Publication date May 15, 2003
    • Akira Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...