TREA

Sumio Izumi

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  • Sayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for separating mixture of plastics
    • Patent number 4,132,633
    • Issue date Jan 2, 1979
    • Mitsui Mining & Smelting Co., Ltd.
    • Kozo Saitoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for separating mixed plastics
    • Patent number 4,119,533
    • Issue date Oct 10, 1978
    • Mitsui Mining & Smelting Co., Ltd.
    • Kozo Saitoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL