Patents by Inventor Shun Nishikawa

Shun Nishikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus including focusing function and method of the same
    Patent number: 11729502
    Abstract: An apparatus includes a device that acquires an image signal by photoelectrically converting a light beam of a subject that has entered via an optical system including a focus lens, a setting unit that sets a first region in the image signal, a focus detection unit that detects a defocus amount for each divided region of a region in the image signal, a detection unit that detects a second region as a region of a specific subject, based on the image signal, and a control unit that controls the focus lens based on the defocus amount of the divided region included in the second region if the first region and the second region overlap, and controls the focus lens based on the defocus amount of the divided region included in the first region if the first region and the second region do not overlap.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: August 15, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shun Nishikawa, Takayuki Akaguma
  • APPARATUS INCLUDING FOCUSING FUNCTION AND METHOD OF THE SAME
    Publication number: 20220353423
    Abstract: An apparatus includes a device that acquires an image signal by photoelectrically converting a light beam of a subject that has entered via an optical system including a focus lens, a setting unit that sets a first region in the image signal, a focus detection unit that detects a defocus amount for each divided region of a region in the image signal, a detection unit that detects a second region as a region of a specific subject, based on the image signal, and a control unit that controls the focus lens based on the defocus amount of the divided region included in the second region if the first region and the second region overlap, and controls the focus lens based on the defocus amount of the divided region included in the first region if the first region and the second region do not overlap.
    Type: Application
    Filed: April 18, 2022
    Publication date: November 3, 2022
    Inventors: Shun Nishikawa, Takayuki Akaguma