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Koichi AKIYAMA

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  • Matsumoto-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ILLUMINATOR AND PROJECTOR
    • Publication number 20240080420
    • Publication date Mar 7, 2024
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR
    • Publication number 20240004280
    • Publication date Jan 4, 2024
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20230305374
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR
    • Publication number 20230305373
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20230305375
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220291577
    • Publication date Sep 15, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220283486
    • Publication date Sep 8, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G02 - OPTICS
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220264065
    • Publication date Aug 18, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISPLAY APPARATUS AND PROJECTOR
    • Publication number 20220252968
    • Publication date Aug 11, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220254964
    • Publication date Aug 11, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
    • Publication number 20220206376
    • Publication date Jun 30, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220206374
    • Publication date Jun 30, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE DEVICE, PROJECTOR, AND DISPLAY DEVICE
    • Publication number 20220109813
    • Publication date Apr 7, 2022
    • SEIKO EPSON CORPORATION
    • Wataru YASUMATSU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220091496
    • Publication date Mar 24, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220086406
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220086407
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220082916
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220082917
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220082923
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220082920
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20220082921
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20220082922
    • Publication date Mar 17, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Illuminator And Projector
    • Publication number 20220066305
    • Publication date Mar 3, 2022
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATION DEVICE AND PROJECTOR
    • Publication number 20220026790
    • Publication date Jan 27, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ILLUMINATION DEVICE AND PROJECTOR
    • Publication number 20220026789
    • Publication date Jan 27, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATION DEVICE AND PROJECTOR
    • Publication number 20220026788
    • Publication date Jan 27, 2022
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G02 - OPTICS
  • Information Patent Application

    ILLUMINATOR AND PROJECTOR
    • Publication number 20210382381
    • Publication date Dec 9, 2021
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS, ILLUMINATOR, AND PROJECTOR
    • Publication number 20210263401
    • Publication date Aug 26, 2021
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20210216004
    • Publication date Jul 15, 2021
    • SEIKO EPSON CORPORATION
    • Wataru YASUMATSU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20210181616
    • Publication date Jun 17, 2021
    • SEIKO EPSON CORPORATION
    • Koichi AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE