TREA

Junya Takahashi

Follow

Person

  • Niigata, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Compression ring and its production method
    • Patent number 9,617,952
    • Issue date Apr 11, 2017
    • Kabushiki Kaisha Riken
    • Yuji Shima
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Piston ring
    • Patent number 9,371,797
    • Issue date Jun 21, 2016
    • Kabushiki Kaisha Riken
    • Takuma Sekiya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Piston ring
    • Patent number 9,347,559
    • Issue date May 24, 2016
    • Kabushiki Kaisha Riken
    • Takuma Sekiya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    PRESSURE RING
    • Publication number 20160215882
    • Publication date Jul 28, 2016
    • Kabushiki Kaisha Riken
    • Yuji SHIMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    PISTON RING
    • Publication number 20140137733
    • Publication date May 22, 2014
    • Kabushiki Kaisha Riken
    • Takuma Sekiya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    PISTON RING
    • Publication number 20140125013
    • Publication date May 8, 2014
    • Kabushiki Kaisha Riken
    • Takuma Sekiya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    COMPRESSION RING AND ITS PRODUCTION METHOD
    • Publication number 20130062835
    • Publication date Mar 14, 2013
    • Kabushiki Kaisha Riken
    • Yuji Shima
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Piston ring having improved scuffing, cracking and fatigue resistan...
    • Publication number 20070187002
    • Publication date Aug 16, 2007
    • Junya Takahashi
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Three piece-combined oil ring
    • Publication number 20060061043
    • Publication date Mar 23, 2006
    • Kabushiki Kaisha Riken
    • Junya Takahashi
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Piston ring excellent in resistance to scuffing, cracking and fatig...
    • Publication number 20040040631
    • Publication date Mar 4, 2004
    • Junya Takahashi
    • C21 - METALLURGY OF IRON