TREA

Koichi Ohba

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic operating device
    • Patent number 6,968,859
    • Issue date Nov 29, 2005
    • Yuken Kogyo Kabushiki Kaisha
    • Taku Nagano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic power system
    • Patent number 6,748,739
    • Issue date Jun 15, 2004
    • Yuken Kogyo Kabushiki Kaisha
    • Kenichi Hirano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...