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Kouhei Sugimoto

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  • Kumagaya-shi, 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
    • Patent number 9,709,169
    • Issue date Jul 18, 2017
    • Kabushiki Kaisha Riken
    • Toshikatsu Hayashi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston ring
    • Patent number 9,285,032
    • Issue date Mar 15, 2016
    • Kabushiki Kaisha Riken
    • Hayato Sasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON RING
    • Publication number 20150226327
    • Publication date Aug 13, 2015
    • Kabushiki Kaisha Riken
    • Hayato Sasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20140225329
    • Publication date Aug 14, 2014
    • Toshikatsu Hayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • 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...