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Tomoko AKAGAWA

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  • Suwa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light source apparatus and projector
    • Patent number 12,066,753
    • Issue date Aug 20, 2024
    • Seiko Epson Corporation
    • Tomoko Akagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source apparatus, illuminator, and projector
    • Patent number 11,703,749
    • Issue date Jul 18, 2023
    • Seiko Epson Corporation
    • Tomoko Akagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Illuminator and projector
    • Patent number 11,703,750
    • Issue date Jul 18, 2023
    • Seiko Epson Corporation
    • Mizuha Hiroki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Illuminator and projector
    • Patent number 11,681,210
    • Issue date Jun 20, 2023
    • Seiko Epson Corporation
    • Tomoko Akagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source device and projector
    • Patent number 11,353,785
    • Issue date Jun 7, 2022
    • Seiko Epson Corporation
    • Wataru Yasumatsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light source device and projector
    • Patent number 11,079,666
    • Issue date Aug 3, 2021
    • Seiko Epson Corporation
    • Tomoko Akagawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light source device and projector
    • Patent number 10,838,290
    • Issue date Nov 17, 2020
    • Seiko Epson Corporation
    • Tomoko Akagawa
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20230305377
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20230305379
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Chigusa TAKAGI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS AND PROJECTOR
    • Publication number 20230305376
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Shoichi UCHIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE APPARATUS, ILLUMINATOR, AND PROJECTOR
    • Publication number 20230096815
    • Publication date Mar 30, 2023
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATOR AND PROJECTOR
    • Publication number 20220299854
    • Publication date Sep 22, 2022
    • SEIKO EPSON CORPORATION
    • Mizuha HIROKI
    • 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

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20210165312
    • Publication date Jun 3, 2021
    • SEIKO EPSON CORPORATION
    • Wataru YASUMATSU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20210003910
    • Publication date Jan 7, 2021
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20200033708
    • Publication date Jan 30, 2020
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MANUFACTURING METHOD OF LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CR...
    • Publication number 20120092602
    • Publication date Apr 19, 2012
    • SEIKO EPSON CORPORATION
    • Tomoko AKAGAWA
    • G02 - OPTICS