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Hiroyuki Oba

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  • Mishima-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVELOPING DEVICE
    • Publication number 20100316402
    • Publication date Dec 16, 2010
    • Canon Kabushiki Kaisha
    • Hiroyuki Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20040202494
    • Publication date Oct 14, 2004
    • Masahiro Yoshida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20030113134
    • Publication date Jun 19, 2003
    • Canon Kabushiki Kaisha
    • Hiroyuki Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus with variable speed charging member
    • Publication number 20020181965
    • Publication date Dec 5, 2002
    • Canon Kabushiki Kaisha
    • Yasushi Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus having charging rotatable member
    • Publication number 20020181970
    • Publication date Dec 5, 2002
    • Canon Kabushiki Kaisha
    • Yasushi Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20020034397
    • Publication date Mar 21, 2002
    • Yasushi Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus and process cartridge detachably mountable...
    • Publication number 20010028814
    • Publication date Oct 11, 2001
    • Hiroyuki Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY