TREA

Kenji Tsumura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Concentrating apparatus
    • Patent number 4,521,276
    • Issue date Jun 4, 1985
    • Oriental Metal MFG. Co., LTD.
    • Kenji Tsumura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for distilling water and distillation apparatus
    • Patent number 4,475,988
    • Issue date Oct 9, 1984
    • Oriental Metal MFG. Co., LTD.
    • Kenji Tsumura
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for distilling water
    • Patent number 4,421,606
    • Issue date Dec 20, 1983
    • Oriental Metal Mfg. Co.
    • Kenji Tsumura
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for distilling water and distillation apparatus
    • Patent number 4,329,205
    • Issue date May 11, 1982
    • Oriental Metal Mfg. Co., Ltd.
    • Kenji Tsumura
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE