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Ryou Obara

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  • Niigata-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring
    • Patent number 9,885,417
    • Issue date Feb 6, 2018
    • Kabushiki Kaisha Riken
    • Kouhei Sugimoto
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Piston ring and thermal spray coating used therein, and method for...
    • Patent number 7,291,384
    • Issue date Nov 6, 2007
    • Kabushiki Kaisha Riken
    • Ryou Obara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Spraying piston ring
    • Patent number 7,279,227
    • Issue date Oct 9, 2007
    • Kabushiki Kaisha Riken
    • Ryou Obara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON RING
    • Publication number 20140047974
    • Publication date Feb 20, 2014
    • Kabushiki Kaisha Riken
    • Kouhei Sugimoto
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Piston ring and thermal spray coating used therein, and method for...
    • Publication number 20060040125
    • Publication date Feb 23, 2006
    • Kabushiki Kaisha Riken
    • Ryou Obara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Spraying piston ring
    • Publication number 20050069724
    • Publication date Mar 31, 2005
    • Ryou Obara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...