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OKEN SEIKO CO. LTD

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  • INAGI-SHI, 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...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 6,435,844
    • Issue date Aug 20, 2002
    • Oken Seiko Co., LTD
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature motor unit
    • Patent number 6,215,208
    • Issue date Apr 10, 2001
    • Oken Seiko Co., Ltd.
    • Goro Kakizawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coreless motor, and a method for manufacturing the coreless motor
    • Patent number 4,604,540
    • Issue date Aug 5, 1986
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Coils of coreless motor and method of manufacturing the same
    • Patent number 4,476,409
    • Issue date Oct 9, 1984
    • Oken Seiko Co., Ltd.
    • Tadashi Fukami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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...

Trademarklast 30 trademarks

  • Information Trademark

    76616692 - OKEN
    • Serial number 76616692
    • Registration number 3081321
    • Filing date Oct 18, 2004
    • Oken Seiko Co., Ltd.
    • 7 - Machines and machine tools