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Sigeaki Yamamuro

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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 7,862,305
    • Issue date Jan 4, 2011
    • Hitachi, Ltd.
    • Sigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable displacement vane pump
    • Publication number 20070148029
    • Publication date Jun 28, 2007
    • Hitachi, Ltd.
    • Sigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...