TREA

Kohji Ishii

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner density control method
    • Patent number 5,065,190
    • Issue date Nov 12, 1991
    • Konica Corporation
    • Kiyohari Nakagama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner cartridge for a copying apparatus
    • Patent number 4,963,940
    • Issue date Oct 16, 1990
    • Konica Corporation
    • Mitsugu Nemoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing unit for an electrostatic recording apparatus
    • Patent number 4,951,093
    • Issue date Aug 21, 1990
    • Konica Corporation
    • Kohji Ishii
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner recovery device
    • Patent number 4,941,022
    • Issue date Jul 10, 1990
    • Konica Corporation
    • Atsuo Ohmura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY