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Yoshiharu Ueyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluidal machine
    • Patent number 6,749,397
    • Issue date Jun 15, 2004
    • Hitachi, Ltd.
    • Yoshiharu Ueyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluidal machine
    • Patent number 6,568,904
    • Issue date May 27, 2003
    • Hitachi, Ltd.
    • Yoshiharu Ueyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 6,371,724
    • Issue date Apr 16, 2002
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 6,364,607
    • Issue date Apr 2, 2002
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 6,312,222
    • Issue date Nov 6, 2001
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 6,290,460
    • Issue date Sep 18, 2001
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal type fluid machine
    • Patent number 6,162,015
    • Issue date Dec 19, 2000
    • Hitachi, Ltd.
    • Yuuji Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 6,139,266
    • Issue date Oct 31, 2000
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 5,971,705
    • Issue date Oct 26, 1999
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane member and method for producing joint
    • Patent number 5,964,398
    • Issue date Oct 12, 1999
    • Hitachi, Ltd.
    • Akiomi Kohno
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 5,857,834
    • Issue date Jan 12, 1999
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fluid machine
    • Patent number 5,595,473
    • Issue date Jan 21, 1997
    • Hitachi, Ltd.
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Fluidal machine
    • Publication number 20030108419
    • Publication date Jun 12, 2003
    • Hitachi, Ltd.
    • Yoshiharu Ueyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal fluid machine
    • Publication number 20010036404
    • Publication date Nov 1, 2001
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal fluid machine
    • Publication number 20010033792
    • Publication date Oct 25, 2001
    • Yoshihiro Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...