TREA

Masayuki Kojima

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  • Chiyoda-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for removing toxic substances from waste marin...
    • Patent number 6,251,258
    • Issue date Jun 26, 2001
    • Hitachi Plant Engineering & Construction Co., Ltd.
    • Masayuki Kojima
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Sewage treatment system
    • Patent number 5,578,200
    • Issue date Nov 26, 1996
    • Hitachi Plant Engineering and Construction Co., Ltd.
    • Yasushi Funakoshi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Sewage treatment system with air jetting means
    • Patent number 5,558,763
    • Issue date Sep 24, 1996
    • Hitachi Plant Engineering and Construction Co., Ltd.
    • Yasushi Funakoshi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE