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Keiichi Kai

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  • Isesaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil pump unit with variable flow rate
    • Patent number 9,249,700
    • Issue date Feb 2, 2016
    • YAMADA MANUFACTURING CO., LTD.
    • Keiichi Kai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump unit with variable flow rate
    • Patent number 8,616,857
    • Issue date Dec 31, 2013
    • Yamada Manufacturing Co., Ltd.
    • Keiichi Kai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil pump pressure control device
    • Patent number 8,038,416
    • Issue date Oct 18, 2011
    • Yamada Manufacturing Co., Ltd.
    • Yasunori Ono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for manufacturing trochoid pump and trochoid pump obtained
    • Patent number 7,967,585
    • Issue date Jun 28, 2011
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trochoid oil pump
    • Patent number 7,488,163
    • Issue date Feb 10, 2009
    • Yamada Manufacturing Co., Ltd.
    • Kazuo Enzaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL PUMP UNIT WITH VARIABLE FLOW RATE
    • Publication number 20120070318
    • Publication date Mar 22, 2012
    • Honda Motor Co., Ltd.
    • Keiichi Kai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL PUMP UNIT WITH VARIABLE FLOW RATE
    • Publication number 20120070317
    • Publication date Mar 22, 2012
    • Honda Motor Co., Ltd.
    • Keiichi Kai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Method for manufacturing trochoid pump and trochoid pump obtained
    • Publication number 20090185940
    • Publication date Jul 23, 2009
    • Yamada Manufacturing Co., Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil pump pressure control device
    • Publication number 20080253904
    • Publication date Oct 16, 2008
    • Yamada Manufacturing Co., Ltd.
    • Keiichi Kai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil pump pressure control device
    • Publication number 20080190496
    • Publication date Aug 14, 2008
    • Yamada Manufacturing Co., Ltd.
    • Yasunori Ono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Trochoid oil pump
    • Publication number 20060140809
    • Publication date Jun 29, 2006
    • Yamada Manufacturing Co., Ltd.
    • Kazuo Enzaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...