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Ryosuke Koshizaka

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  • Kariya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump with improved oil lubrication
    • Patent number 7,458,790
    • Issue date Dec 2, 2008
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump system
    • Patent number 7,364,414
    • Issue date Apr 29, 2008
    • Kabushiki Kaisha Toyota Jidoshokki
    • Satoru Kuramoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump having main and sub pumps
    • Patent number 7,140,846
    • Issue date Nov 28, 2006
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft seal structure of vacuum pumps
    • Patent number 6,663,367
    • Issue date Dec 16, 2003
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREW-TYPE FLUID MACHINE
    • Publication number 20100233006
    • Publication date Sep 16, 2010
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VACUUM PUMP
    • Publication number 20100150760
    • Publication date Jun 17, 2010
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW PUMP AND SCREW GEAR
    • Publication number 20090016920
    • Publication date Jan 15, 2009
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method of controlling the stopping operation of vacuum pump and dev...
    • Publication number 20080063536
    • Publication date Mar 13, 2008
    • Ryosuke Koshizaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20070098585
    • Publication date May 3, 2007
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cooling unit
    • Publication number 20060225447
    • Publication date Oct 12, 2006
    • Shinya Yamamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Diaphragm pump
    • Publication number 20050118041
    • Publication date Jun 2, 2005
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Controller of vacuum pump
    • Publication number 20050031468
    • Publication date Feb 10, 2005
    • Masahiro Kawaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid pump system
    • Publication number 20040109781
    • Publication date Jun 10, 2004
    • Satoru Kuramoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20030180153
    • Publication date Sep 25, 2003
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and apparatus for controlling vacuum pump to stop
    • Publication number 20030072651
    • Publication date Apr 17, 2003
    • Ryosuke Koshizaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shaft seal structure of vacuum pumps
    • Publication number 20020168279
    • Publication date Nov 14, 2002
    • Shinya Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...