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Masaki Nakaoka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Task execution support system
    • Patent number 6,092,048
    • Issue date Jul 18, 2000
    • Hitachi, Ltd.
    • Masaki Nakaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Color image forming apparatus with developing unit moving means
    • Patent number 5,243,395
    • Issue date Sep 7, 1993
    • Canon Kabushiki Kaisha
    • Michiro Koike
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 4,788,573
    • Issue date Nov 29, 1988
    • Canon Kabushiki Kaisha
    • Masaki Nakaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dynamic pressure fluid bearing
    • Patent number 4,652,149
    • Issue date Mar 24, 1987
    • Canon Kabushiki Kaisha
    • Masaki Nakaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary drive device
    • Patent number 4,609,251
    • Issue date Sep 2, 1986
    • Canon Kabushiki Kaisha
    • Masaki Nakaoka
    • G02 - OPTICS
  • Information Patent Grant

    Cleaning device for an image forming apparatus
    • Patent number 4,325,628
    • Issue date Apr 20, 1982
    • Canon Kabushiki Kaisha
    • Akiyoshi Torigai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical device of a copying apparatus
    • Patent number 4,319,836
    • Issue date Mar 16, 1982
    • Canon Kabushiki Kaisha
    • Shinji Murata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents