Hiroshi Ogawa

Person

  • Urawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Sewage treatment apparatus

    • Patent number 6,881,332
    • Issue date Apr 19, 2005
    • Earthclean Co., Ltd.
    • Hiroshi Ogawa
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL