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Naohiro Kumagai

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  • Kanagawa, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220283531
    • Publication date Sep 8, 2022
    • RICOH COMPANY, LTD.
    • Naohiro KUMAGAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20210325802
    • Publication date Oct 21, 2021
    • Ricoh Company, Ltd.
    • Naohiro KUMAGAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BELT DEVICE, BELT REGULATOR, ROLLER UNIT, AND IMAGE FORMING APPARATUS
    • Publication number 20200301322
    • Publication date Sep 24, 2020
    • Ricoh Company, Ltd.
    • Naohiro KUMAGAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BELT CONTROL DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • Publication number 20200301321
    • Publication date Sep 24, 2020
    • Ricoh Company, Ltd.
    • Naohiro KUMAGAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20180059583
    • Publication date Mar 1, 2018
    • Naohiro KUMAGAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BELT DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • Publication number 20180046115
    • Publication date Feb 15, 2018
    • Junpei FUJITA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170329263
    • Publication date Nov 16, 2017
    • Kenji Sugiura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170242371
    • Publication date Aug 24, 2017
    • Seiichi KOGURE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • Publication number 20170235257
    • Publication date Aug 17, 2017
    • Naoto KOCHI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • Publication number 20170235258
    • Publication date Aug 17, 2017
    • Yuuji WADA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BELT DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • Publication number 20170090374
    • Publication date Mar 30, 2017
    • Junpei FUJITA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170003630
    • Publication date Jan 5, 2017
    • Tatsuya OHSUGI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160334739
    • Publication date Nov 17, 2016
    • Tatsuya OHSUGI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160334738
    • Publication date Nov 17, 2016
    • Naoto KOCHI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160306317
    • Publication date Oct 20, 2016
    • YUUJI WADA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160274503
    • Publication date Sep 22, 2016
    • Kenji SUGIURA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160274504
    • Publication date Sep 22, 2016
    • Yuuji WADA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160274505
    • Publication date Sep 22, 2016
    • Tatsuya OHSUGI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • Publication number 20160216647
    • Publication date Jul 28, 2016
    • Kazuki Yogosawa
    • B08 - CLEANING
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160170364
    • Publication date Jun 16, 2016
    • Seiichi KOGURE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • Publication number 20160170365
    • Publication date Jun 16, 2016
    • Yusuke Mitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160170363
    • Publication date Jun 16, 2016
    • Seiichi KOGURE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160161888
    • Publication date Jun 9, 2016
    • Yuuji WADA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160161887
    • Publication date Jun 9, 2016
    • Kenji SUGIURA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • Publication number 20160124374
    • Publication date May 5, 2016
    • Kazuki Yogosawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160109832
    • Publication date Apr 21, 2016
    • Tatsuya OHSUGI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160041508
    • Publication date Feb 11, 2016
    • Seiichi Kogure
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160033915
    • Publication date Feb 4, 2016
    • Naohiro Kumagai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20150378284
    • Publication date Dec 31, 2015
    • RICOH COMPANY, LTD.
    • Yuuji WADA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BELT UNIT, TRANSFER UNIT, AND IMAGE FORMING APPARATUS
    • Publication number 20150268591
    • Publication date Sep 24, 2015
    • Junpei Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY