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Gyo Muramatsu

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  • Kumagaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil ring for internal combustion engine
    • Patent number 9,353,864
    • Issue date May 31, 2016
    • Kabushiki Kaisha Riken
    • Yunzhi Gao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece oil ring
    • Patent number 9,140,361
    • Issue date Sep 22, 2015
    • Kabushiki Kaisha Riken
    • Junichi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Exhaust gas cleaner
    • Patent number 5,885,923
    • Issue date Mar 23, 1999
    • Kabushiki Kaisha Riken
    • Kiyohide Yoshida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas cleaner
    • Patent number 5,824,621
    • Issue date Oct 20, 1998
    • Kabushiki Kaisha Riken
    • Akira Abe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas
    • Patent number 5,747,410
    • Issue date May 5, 1998
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for cleaning exhaust gas
    • Patent number 5,744,111
    • Issue date Apr 28, 1998
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas cleaner and method for cleaning same
    • Patent number 5,670,444
    • Issue date Sep 23, 1997
    • Kabushiki Kaisha Riken
    • Kiyohide Yoshida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of cleaning exhaust gas
    • Patent number 5,665,322
    • Issue date Sep 9, 1997
    • Kabushiki Kaisha Riken
    • Yoshida Kiyohide
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas cleaner and method for cleaning same
    • Patent number 5,658,542
    • Issue date Aug 19, 1997
    • Kabushiki Kaisha Riken
    • Kiyohide Yoshida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas cleaner and method for cleaning same
    • Patent number 5,658,543
    • Issue date Aug 19, 1997
    • Kabushiki Kaisha Riken
    • Kiyohide Yoshida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for cleaning exhaust gas containing nitrogen oxides
    • Patent number 5,645,804
    • Issue date Jul 8, 1997
    • Kabushiki Kaisha Riken
    • Satoshi Sumiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas cleaner and method for cleaning same
    • Patent number 5,589,432
    • Issue date Dec 31, 1996
    • Kabushiki Kaisha Riken
    • Kiyohide Yoshida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of cleaning an exhaust gas and exhaust gas cleaner therefor
    • Patent number 5,534,237
    • Issue date Jul 9, 1996
    • Kubushiki Kaisha Riken
    • Kiyohide Yoshida
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas
    • Patent number 5,384,110
    • Issue date Jan 24, 1995
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas
    • Patent number 5,340,548
    • Issue date Aug 23, 1994
    • Kabushiki Kaisha Riken
    • Akira Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas
    • Patent number 5,320,999
    • Issue date Jun 14, 1994
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method of cleaning exhaust gas
    • Patent number 5,290,530
    • Issue date Mar 1, 1994
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method of cleaning nitrogen oxide containing exhaust gas
    • Patent number 5,213,781
    • Issue date May 25, 1993
    • Kabushiki Kaisha Riken
    • Akira Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas catalyst for...
    • Patent number 5,208,202
    • Issue date May 4, 1993
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas cleaner
    • Patent number 5,141,714
    • Issue date Aug 25, 1992
    • Kabushiki Kaisha Riken
    • Akira Obuchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas cleaner
    • Patent number 5,075,274
    • Issue date Dec 24, 1991
    • Kabushiki Kaisha Riken
    • Yoshida Kiyohide
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-PIECE OIL RING
    • Publication number 20140021686
    • Publication date Jan 23, 2014
    • Kabushiki Kaisha Riken
    • Junichi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL RING FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20120235359
    • Publication date Sep 20, 2012
    • Yunzhi Gao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20100140880
    • Publication date Jun 10, 2010
    • Toshikatsu Hayashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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
    • Publication number 20050269787
    • Publication date Dec 8, 2005
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...