TREA

Natsuko Tanaka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Full color copying machine
    • Patent number 5,204,729
    • Issue date Apr 20, 1993
    • Sharp Kabushiki Kaisha
    • Yasutaka Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic apparatus and method of cleaning the same
    • Patent number 5,103,266
    • Issue date Apr 7, 1992
    • Sharp Kabushiki Kaisha
    • Tsuyoshi Miyamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Transfer roller device
    • Patent number 5,075,731
    • Issue date Dec 24, 1991
    • Sharp Kabushiki Kaisha
    • Taisuke Kamimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying apparatus with moveable screen and method
    • Patent number 5,055,877
    • Issue date Oct 8, 1991
    • Sharp Kabushiki Kaisha
    • Yasutaka Maeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY