TREA

Toshiko Totsuka

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for treating cyanide waste liquid
    • Patent number 7,253,332
    • Issue date Aug 7, 2007
    • Nihon Parkerizing Co., Ltd.
    • Ryuji Kojima
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for Activating Surface of Metal Member
    • Publication number 20070204934
    • Publication date Sep 6, 2007
    • PARKER NETSUSHORI KOGYO K.K.
    • Kaoru Hoshino
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Method for treating cyanide waste liquid
    • Publication number 20050070752
    • Publication date Mar 31, 2005
    • Ryuji Kojima
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE