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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 apparatus
    • Patent number 12,099,183
    • Issue date Sep 24, 2024
    • Canon Kabushiki Kaisha
    • Chihiro Shirakawa
    • G02 - OPTICS
  • Information Patent Grant

    Image forming apparatus that scans photosensitive member using plur...
    • Patent number 11,988,976
    • Issue date May 21, 2024
    • Canon Kabushiki Kaisha
    • Hiroyuki Fukuhara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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