TREA

Sotoo Kubo

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for treating sludge and system for the same
    • Patent number 5,624,550
    • Issue date Apr 29, 1997
    • Chemical Grouting Co., Ltd.
    • Masahiro Iji
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for treating sludge and system for the same
    • Patent number 5,462,672
    • Issue date Oct 31, 1995
    • Chemical Grouting Co., Ltd.
    • Masahiro Iji
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water treating process
    • Patent number 4,209,398
    • Issue date Jun 24, 1980
    • Kurita Water Industries Ltd.
    • Motohiko Ii
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...