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Masato Izutsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal gear pump including an outer ring having cam protruded parts
    • Patent number 10,066,621
    • Issue date Sep 4, 2018
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump structure
    • Patent number 9,638,189
    • Issue date May 2, 2017
    • Yamada Manufacturing Co., Ltd.
    • Junichi Miyajima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump having an eccentric inner rotor and outer rotor...
    • Patent number 9,464,525
    • Issue date Oct 11, 2016
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump
    • Patent number 9,399,994
    • Issue date Jul 26, 2016
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 9,309,883
    • Issue date Apr 12, 2016
    • Yamada Manufacturing Co. Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump with improved partitioning section
    • Patent number 9,157,436
    • Issue date Oct 13, 2015
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump rotor
    • Patent number 9,097,250
    • Issue date Aug 4, 2015
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor for oil pump with different contours for the drive-side versu...
    • Patent number 9,039,397
    • Issue date May 26, 2015
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump device
    • Patent number 8,926,299
    • Issue date Jan 6, 2015
    • Yamada Manufacturing Co., Ltd.
    • Manabu Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 8,870,556
    • Issue date Oct 28, 2014
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC CONTROL APPARATUS AND HYDRAULIC CONTROL METHOD
    • Publication number 20170284424
    • Publication date Oct 5, 2017
    • Yamada Manufacturing Co., Ltd.
    • Yoshiaki KAWAURA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    OIL PUMP
    • Publication number 20160265527
    • Publication date Sep 15, 2016
    • YAMADA MANUFACTURING CO.LTD.
    • Masato IZUTSU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY-TYPE GEAR PUMP DESIGNING METHOD, DESIGN SUPPORT P...
    • Publication number 20160238003
    • Publication date Aug 18, 2016
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20160032923
    • Publication date Feb 4, 2016
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP DEVICE
    • Publication number 20150167667
    • Publication date Jun 18, 2015
    • Yamada Manufacturing Co., Ltd.
    • Junichi MIYAJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20150139841
    • Publication date May 21, 2015
    • Yamada Manufacturing Co., Ltd.
    • Masato IZUTSU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20140154119
    • Publication date Jun 5, 2014
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20140154120
    • Publication date Jun 5, 2014
    • Yamada Manufacturing Co., Ltd.
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20140023539
    • Publication date Jan 23, 2014
    • Masato Izutsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR FOR OIL PUMP
    • Publication number 20130323106
    • Publication date Dec 5, 2013
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ROTOR
    • Publication number 20130112028
    • Publication date May 9, 2013
    • Yamada Manufacturing Co., Ltd.
    • Kenichi FUJIKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20130115124
    • Publication date May 9, 2013
    • Yamada Manufacturing Co., Ltd.
    • Kenichi FUJIKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20120328464
    • Publication date Dec 27, 2012
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20120308423
    • Publication date Dec 6, 2012
    • Yamada Manufacturing Co., Ltd.
    • Kenichi FUJIKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20120244027
    • Publication date Sep 27, 2012
    • Yamada Manufacturing Co., Ltd.
    • Manabu WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...