TREA

Tomohiko Tagawa

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drainage pump and underwater bearing unit
    • Patent number 7,128,523
    • Issue date Oct 31, 2006
    • Hitachi Industries Co., Ltd.
    • Kouji Aizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Drainage pump and underwater bearing unit
    • Publication number 20050089434
    • Publication date Apr 28, 2005
    • Hitachi Industries Co., Ltd.
    • Kouji Aizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...