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Koji Doi

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  • Ibaraki, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGING PROCESSING DEVICE
    • Publication number 20230096864
    • Publication date Mar 30, 2023
    • HITACHI ASTEMIO, LTD
    • Tetsuya YAMADA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HEADLIGHT CONTROL DEVICE
    • Publication number 20180319319
    • Publication date Nov 8, 2018
    • Hitachi Automotive Systems, Ltd.
    • Hiroki MOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicle-Mounted Image Recognition Device
    • Publication number 20170244954
    • Publication date Aug 24, 2017
    • Hitachi Automotive Systems, Ltd.
    • Takeshi NAGASAKI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Corona wire cartridge, corona discharger, and image forming apparat...
    • Publication number 20070248379
    • Publication date Oct 25, 2007
    • Ricoh Printing Systems, Ltd.
    • Yoshinari Onuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Semiconductor laser module
    • Publication number 20060140555
    • Publication date Jun 29, 2006
    • Ricoh Printing Systems, Ltd.
    • Keiji Kataoka
    • G02 - OPTICS
  • Information Patent Application

    Optical recording apparatus
    • Publication number 20040213130
    • Publication date Oct 28, 2004
    • Hitachi Printing Solutions, Ltd.
    • Keiji Kataoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS