TREA

Yuuichi Murayama

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  • Kashiwazaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring and its production method
    • Patent number 10,006,547
    • Issue date Jun 26, 2018
    • Kabushiki Kaisha Riken
    • Masayuki Sato
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Piston ring
    • Patent number 10,006,546
    • Issue date Jun 26, 2018
    • Kabushiki Kaisha Riken
    • Masayuki Sato
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Piston ring
    • Patent number 9,447,879
    • Issue date Sep 20, 2016
    • Kabushiki Kaisha Riken
    • Masayuki Sato
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • 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

    PISTON RING
    • Publication number 20160238132
    • Publication date Aug 18, 2016
    • Kabushiki Kaisha Riken
    • Masayuki SATO
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    PISTON RING AND ITS PRODUCTION METHOD
    • Publication number 20160238133
    • Publication date Aug 18, 2016
    • Kabushiki Kaisha Riken
    • Masayuki SATO
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    PISTON RING
    • Publication number 20150308573
    • Publication date Oct 29, 2015
    • Kabushiki Kaisha Riken
    • Masayuki SATO
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • 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...