TREA

Nishihara Environmental Sanitation Research Corporation Limited

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solid-liquid separator and process for washing the same
    • Patent number 5,145,589
    • Issue date Sep 8, 1992
    • Nishihara Environmental Sanitation Research Corporation Limited
    • Yasuhiro Okubo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Waste water treating process
    • Patent number 5,098,567
    • Issue date Mar 24, 1992
    • Nishihara Environmental Sanitation Research Corporation Limited
    • Takeshi Nishiguchi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for treating organic waste water
    • Patent number 5,006,251
    • Issue date Apr 9, 1991
    • Director General, Public Works Research Institute, Ministry of Construction
    • Kazuo Takeishi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Centrifugal separator with continuous discharge
    • Patent number 4,915,681
    • Issue date Apr 10, 1990
    • Nishihara Environmental Sanitation Research Corporation
    • Tomio Suzuki
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Intermittent aeration type biological treatment process and system...
    • Patent number 4,818,408
    • Issue date Apr 4, 1989
    • Nishihara Om-Tech Co., Ltd.
    • Youichi Hamamoto
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Microorganism monitoring apparatus
    • Patent number 4,661,845
    • Issue date Apr 28, 1987
    • Nishihara Environmental Sanitation Research Corporation Limited
    • Toshio Saito
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Activated sludge method
    • Patent number 4,655,925
    • Issue date Apr 7, 1987
    • Nishihara Environmental Sanitation Research Corporation Limited
    • Shin-ichi Tabata
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Centrifugal thickener
    • Patent number 4,302,332
    • Issue date Nov 24, 1981
    • Nishihara Environmental Sanitation Research Corp., Ltd.
    • Noboru Hayakawa
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filtering apparatus for sludgy liquids
    • Patent number 4,137,177
    • Issue date Jan 30, 1979
    • Nishihara Environmental Sanitation Research Corporation Limited
    • Yoshikazu Shoda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL