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Hayato Sasaki

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  • Kumagaya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring for internal combustion engine
    • Patent number 9,920,836
    • Issue date Mar 20, 2018
    • KABUSHIKI KAISHA RIKEN
    • Hayato Sasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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...
  • Information Patent Grant

    Piston ring for internal combustion engine
    • Patent number 9,261,191
    • Issue date Feb 16, 2016
    • Kabushiki Kaisha Riken
    • Hayato Sasaki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Piston ring and piston device
    • Patent number 9,062,769
    • Issue date Jun 23, 2015
    • Kabushiki Kaisha Riken
    • Hayato Sasaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON RING FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20170138476
    • Publication date May 18, 2017
    • Kabushiki Kaisha Riken
    • Hayato SASAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20160265660
    • Publication date Sep 15, 2016
    • Kabushiki Kaisha Riken
    • Hayato SASAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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 20150176710
    • Publication date Jun 25, 2015
    • Kabushiki Kaisha Riken
    • Hayato SASAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20150061231
    • Publication date Mar 5, 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 AND PISTON DEVICE
    • Publication number 20120242047
    • Publication date Sep 27, 2012
    • Hayato Sasaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...