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Naoto Takehana

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PROJECTION OPTICAL APPARATUS AND PROJECTOR
    • Publication number 20240329505
    • Publication date Oct 3, 2024
    • SEIKO EPSON CORPORATION
    • Hirofumi OKUBO
    • G02 - OPTICS
  • Information Patent Application

    FIXING DEVICE, PROJECTION OPTICAL DEVICE, AND PROJECTOR
    • Publication number 20220229351
    • Publication date Jul 21, 2022
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION OPTICAL APPARATUS AND PROJECTOR
    • Publication number 20220206242
    • Publication date Jun 30, 2022
    • SEIKO EPSON CORPORATION
    • Hirofumi OKUBO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MOUNTING MEMBER AND PROJECTION OPTICAL APPARATUS
    • Publication number 20220155550
    • Publication date May 19, 2022
    • SEIKO EPSON CORPORATION
    • Takahiro TAKIZAWA
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION APPARATUS
    • Publication number 20220137498
    • Publication date May 5, 2022
    • SEIKO EPSON CORPORATION
    • Nobuyuki OTSUKI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION LENS AND PROJECTOR
    • Publication number 20190235363
    • Publication date Aug 1, 2019
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION LENS AND PROJECTOR
    • Publication number 20190235362
    • Publication date Aug 1, 2019
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL PROJECTION DEVICE AND PROJECTOR
    • Publication number 20190137853
    • Publication date May 9, 2019
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION OPTICAL SYSTEM AND PROJECTOR
    • Publication number 20180307002
    • Publication date Oct 25, 2018
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL PROJECTION APPARATUS AND PROJECTOR
    • Publication number 20180059526
    • Publication date Mar 1, 2018
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION OPTICAL DEVICE AND PROJECTOR
    • Publication number 20180046068
    • Publication date Feb 15, 2018
    • SEIKO EPSON CORPORATION
    • Takuya HATANO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL PROJECTION DEVICE AND PROJECTOR
    • Publication number 20180017758
    • Publication date Jan 18, 2018
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL PROJECTION DEVICE AND PROJECTOR
    • Publication number 20170371126
    • Publication date Dec 28, 2017
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION LENS AND PROJECTOR
    • Publication number 20170357147
    • Publication date Dec 14, 2017
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION SYSTEM AND PROJECTOR
    • Publication number 20160370691
    • Publication date Dec 22, 2016
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION OPTICAL APPARATUS AND PROJECTOR
    • Publication number 20160216598
    • Publication date Jul 28, 2016
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G02 - OPTICS
  • Information Patent Application

    PROJECTOR
    • Publication number 20150201171
    • Publication date Jul 16, 2015
    • SEIKO EPSON CORPORATION
    • Naoto TAKEHANA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LENS BARREL AND PROJECTOR
    • Publication number 20140333907
    • Publication date Nov 13, 2014
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G02 - OPTICS
  • Information Patent Application

    PROJECTOR
    • Publication number 20120062853
    • Publication date Mar 15, 2012
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    EXHAUST PORT SHUTTER APPARATUS AND PROJECTOR
    • Publication number 20120044463
    • Publication date Feb 23, 2012
    • SEIKO EPSON CORPORATION
    • Naoto Takehana
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY