TREA

Masayuki Doki

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  • Gunma-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller for water pump
    • Patent number 8,641,378
    • Issue date Feb 4, 2014
    • Yamada Manufacturing Co., Ltd.
    • Song Fei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Impeller for water pump
    • Publication number 20110255970
    • Publication date Oct 20, 2011
    • Yamada Manufacturing Co., Ltd.
    • Song Fei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...