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Chihiro Shirakawa

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  • Numazu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical scanning device and image forming apparatus
    • Patent number 11,789,376
    • Issue date Oct 17, 2023
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 11,709,437
    • Issue date Jul 25, 2023
    • Canon Kabushiki Kaisha
    • Taku Murotani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 11,537,058
    • Issue date Dec 27, 2022
    • Canon Kabushiki Kaisha
    • Taku Murotani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,042,281
    • Issue date Aug 7, 2018
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 9,804,522
    • Issue date Oct 31, 2017
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20240045355
    • Publication date Feb 8, 2024
    • Canon Kabushiki Kaisha
    • CHIHIRO SHIRAKAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS THAT SCANS PHOTOSENSITIVE MEMBER USING PLUR...
    • Publication number 20230266693
    • Publication date Aug 24, 2023
    • Canon Kabushiki Kaisha
    • HIROYUKI FUKUHARA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230072359
    • Publication date Mar 9, 2023
    • Canon Kabushiki Kaisha
    • Taku Murotani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL SCANNING APPARATUS
    • Publication number 20220197019
    • Publication date Jun 23, 2022
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G02 - OPTICS
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220197179
    • Publication date Jun 23, 2022
    • Canon Kabushiki Kaisha
    • Taku Murotani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LASER MARKING METHOD AND SCANNING OPTICAL APPARATUS
    • Publication number 20220184735
    • Publication date Jun 16, 2022
    • Canon Kabushiki Kaisha
    • Jun Nagatoshi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20220100119
    • Publication date Mar 31, 2022
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170153568
    • Publication date Jun 1, 2017
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G02 - OPTICS