TREA

Koichi Nakatsugi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valves for a diaphragm pump
    • Patent number 7,040,876
    • Issue date May 9, 2006
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve mounting arrangement in a diaphragm pump
    • Patent number 6,843,643
    • Issue date Jan 18, 2005
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Diaphragm pump
    • Publication number 20050169780
    • Publication date Aug 4, 2005
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Diaphragm pump
    • Publication number 20030086803
    • Publication date May 8, 2003
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...