TREA

Masakatsu Kumagai

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Friction electrifying-type electrostatic sorting apparatus
    • Patent number 5,746,320
    • Issue date May 5, 1998
    • Tooyota Tsusho Corporation
    • Yoshihisa Fujita
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Loop-like material sorting device
    • Patent number 5,560,494
    • Issue date Oct 1, 1996
    • Toyota Tsusho Corporation
    • Masakatsu Kumagai
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Dry fluidized bed sorting device
    • Patent number 5,524,767
    • Issue date Jun 11, 1996
    • Toyota Tsusho Corporation
    • Masakatsu Kumagai
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Nonferrous material sorting apparatus
    • Patent number 5,462,172
    • Issue date Oct 31, 1995
    • Toyota Tsusho Corporation
    • Masakatsu Kumagai
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Conductive material sorting device
    • Patent number 5,394,991
    • Issue date Mar 7, 1995
    • Toyota Tsusho Corporation
    • Masakatsu Kumagai
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...