TREA

Eisuke Sugisawa

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  • Fuji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Classifier and method for preparing toner
    • Patent number 6,568,536
    • Issue date May 27, 2003
    • Ricoh Company, Ltd.
    • Tetsuya Tanaka
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Classifying device
    • Patent number 5,938,045
    • Issue date Aug 17, 1999
    • Ricoh Company, Ltd.
    • Nobuyasu Makino
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents