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Ryubun Seimiya

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Developing device using a single component developer
    • Patent number 4,930,438
    • Issue date Jun 5, 1990
    • Hiromi Demizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device using single component toner
    • Patent number 4,760,422
    • Issue date Jul 26, 1988
    • Ricoh Company, Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus
    • Patent number 4,696,255
    • Issue date Sep 29, 1987
    • Ricoh Company, Ltd.
    • Hidetoshi Yano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Intermediate transfer member for transferring toner image on a carrier
    • Patent number 4,511,622
    • Issue date Apr 16, 1985
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic image reproducing apparatus
    • Patent number 4,472,724
    • Issue date Sep 18, 1984
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying apparatus
    • Patent number 4,467,333
    • Issue date Aug 21, 1984
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying machine
    • Patent number 4,436,402
    • Issue date Mar 13, 1984
    • Konishiroku Photo Industry
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Recording apparatus with editing capability
    • Patent number 4,435,723
    • Issue date Mar 6, 1984
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Toner for developing electrostatic latent images
    • Patent number 4,386,147
    • Issue date May 31, 1983
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Sheet transport in electrophotographic copying apparatus
    • Patent number 4,320,952
    • Issue date Mar 23, 1982
    • Konishiroku Photo Industry Co., Ltd.
    • Ryubun Seimiya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY