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Yoichi Hayakawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMATION APPARATUS
    • Publication number 20170371265
    • Publication date Dec 28, 2017
    • Oki Data Corporation
    • Satoshi YAMAMOTO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170277094
    • Publication date Sep 28, 2017
    • Oki Data Corporation
    • Tatsuhiko SHIMOMURA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMATION APPARATUS
    • Publication number 20140186061
    • Publication date Jul 3, 2014
    • Oki Data Corporation
    • Yoichi Hayakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20140176985
    • Publication date Jun 26, 2014
    • Oki Data Corporation
    • Yoichi HAYAKAWA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTRONIC DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20130164019
    • Publication date Jun 27, 2013
    • Oki Data Corporation
    • Koji KATO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRONIC APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20130135681
    • Publication date May 30, 2013
    • Oki Data Corporation
    • Yoichi HAYAKAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20130108282
    • Publication date May 2, 2013
    • Oki Data Corporation
    • Masahiro Sonoda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS
    • Publication number 20130045017
    • Publication date Feb 21, 2013
    • Oki Data Corporation
    • Yoichi Hayakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20120219304
    • Publication date Aug 30, 2012
    • Oki Data Corporation
    • Koji KATO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS AND METHOD OF MANAGING USE OF REPLACEMENT PART
    • Publication number 20120051758
    • Publication date Mar 1, 2012
    • Oki Data Corporation
    • Yoichi HAYAKAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20100290791
    • Publication date Nov 18, 2010
    • Oki Data Corporation
    • Masahiro Sonoda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Power conservation device and image forming apparatus
    • Publication number 20070230977
    • Publication date Oct 4, 2007
    • Oki Data Corporation
    • Yoichi Hayakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Electronic apparatus
    • Publication number 20060049244
    • Publication date Mar 9, 2006
    • Oki Data Corporation
    • Yoichi Hayakawa
    • G06 - COMPUTING CALCULATING COUNTING