TREA

Toho Development Engineering Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-ferrous metal smelting furnace
    • Patent number 4,824,364
    • Issue date Apr 25, 1989
    • Toho Development Engineering Co., Ltd.
    • Osamu Kobari
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Preheating mechanism for source metal for melt
    • Patent number 4,681,535
    • Issue date Jul 21, 1987
    • Toho Development Engineering Co., Ltd.
    • Osamu Kobari
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...