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Ei Yamamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operational control device and method for an image processing appar...
    • Patent number 6,041,265
    • Issue date Mar 21, 2000
    • Canon Kabushiki Kaisha
    • Akio Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Intermediate conveying machine for copying machine
    • Patent number D382012
    • Issue date Aug 5, 1997
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner bottle for copying machine
    • Patent number D376170
    • Issue date Dec 3, 1996
    • Canon Kabushiki Kaisha
    • Toshiaki Nagashima
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner bottle cap for copying machine
    • Patent number D375322
    • Issue date Nov 5, 1996
    • Canon Kabushiki Kaisha
    • Toshiaki Nagashima
    • D18 - Printing and office machinery
  • Information Patent Grant

    Copying machine
    • Patent number D373375
    • Issue date Sep 3, 1996
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Paper supplying device for copying machine
    • Patent number D373376
    • Issue date Sep 3, 1996
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Automatic document feeder for copying machine
    • Patent number D354307
    • Issue date Jan 10, 1995
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Copying machine
    • Patent number D338226
    • Issue date Aug 10, 1993
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Pressure plate for copying machine
    • Patent number D334944
    • Issue date Apr 20, 1993
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Copying machine
    • Patent number D334769
    • Issue date Apr 13, 1993
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner case for copying machine
    • Patent number D333833
    • Issue date Mar 9, 1993
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Converter for transmitting image and character data from a computer...
    • Patent number D333131
    • Issue date Feb 9, 1993
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Film scanner
    • Patent number D322978
    • Issue date Jan 7, 1992
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Automatic slide film exchanging unit
    • Patent number D322979
    • Issue date Jan 7, 1992
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Toner container for photo-copier
    • Patent number D319658
    • Issue date Sep 3, 1991
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Mirror unit for photo-copier projector
    • Patent number D319256
    • Issue date Aug 20, 1991
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Copying machine
    • Patent number D318486
    • Issue date Jul 23, 1991
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Ink cartridge for printer
    • Patent number D314973
    • Issue date Feb 26, 1991
    • Canon Kabushiki Kaisha
    • Ei Yamamoto
    • D18 - Printing and office machinery
  • Information Patent Grant

    Data processor
    • Patent number D314190
    • Issue date Jan 29, 1991
    • Canon Kabushiki Kaisha
    • Minoru Aoyama
    • D14 - Recording, communication, or information retrieval equipment