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Yoshimasa Chiba

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  • Tsukuba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller
    • Patent number 8,398,375
    • Issue date Mar 19, 2013
    • Hitachi Plant Technologies, Ltd.
    • Kohei Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Industrial pump and manufacturing method thereof
    • Patent number 7,882,632
    • Issue date Feb 8, 2011
    • Hitachi Industries Co., Ltd.
    • Tetsuya Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single-shaft multistage pump
    • Patent number 7,198,457
    • Issue date Apr 3, 2007
    • Hitachi Industries Co., Ltd.
    • Yoshimasa Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    IMPELLER
    • Publication number 20090246030
    • Publication date Oct 1, 2009
    • Kohei TANAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi Stage Diffuser Pump
    • Publication number 20080014082
    • Publication date Jan 17, 2008
    • Katsutoshi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Industrial pump and manufacturing method thereof
    • Publication number 20060204386
    • Publication date Sep 14, 2006
    • Tetsuya Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Single-shaft multistage pump
    • Publication number 20050158165
    • Publication date Jul 21, 2005
    • Hitachi Industries Co., Ltd.
    • Yoshimasa Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...