TREA

Daiwa Kogyo Kabushiki Kaisha

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Component retaining legs
    • Patent number 6,203,240
    • Issue date Mar 20, 2001
    • Daiwa Kogyo Kabushiki
    • Katsuhito Hironaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water treatment system based on denitrification
    • Patent number 6,159,364
    • Issue date Dec 12, 2000
    • Daiwa Kogyo Kabushiki Kaisha
    • Ken Hirane
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Component retaining legs
    • Patent number 5,947,631
    • Issue date Sep 7, 1999
    • Daiwa Kogyo Kabushiki
    • Katsuhito Hironaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water processing system for highly contaminated water
    • Patent number 5,578,202
    • Issue date Nov 26, 1996
    • Daiwa Kogyo Kabushiki Kaisha
    • Ken Hirane
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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