Patents by Inventor Kazuaki Yamana

Kazuaki Yamana 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).

  • Publication number: 20220272276
    Abstract: An apparatus includes a first correction unit including a first movable unit and a first mechanism configured to lock a position of the first movable unit. An interchangeable lens including a second correction unit is attachable to and detachable from the apparatus, and the second correction unit includes a second movable unit and a second mechanism configured to lock a position of the second movable unit. The apparatus further includes a control unit configured to, when the interchangeable lens is attached to the apparatus and one of the first and second movable units is fixed by the first or second mechanism, move the position of the other movable unit in a direction that cancels a shift of an optical axis caused by the fixation of the one of the first and second movable units.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 25, 2022
    Inventor: Kazuaki Yamana
  • Patent number: 11190691
    Abstract: An image pickup apparatus includes an image sensor configured to capture an object image, an image stabilizing unit that includes a coil, a magnet that faces the coil, and a yoke that contacts the magnet, and moves the image sensor for an image stabilization by electrifying the coil, and a magnetic flux shielding member made of a magnetic material and disposed in an area between the image stabilizing unit and an exterior surface of the image pickup apparatus, through which a magnetic flux generated from the magnet moves toward outside of the image pickup apparatus.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: November 30, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazuaki Yamana
  • Publication number: 20210255421
    Abstract: An imaging apparatus includes an imaging element that captures an image for detecting a phase difference in a predetermined direction on an image surface in order to detect a focal state of an image formed by an image formation lens, an imaging element driving unit configured to be able to drive the imaging element in a parallel movement direction and a rotation direction within a plane perpendicular to an optical axis of the image formation lens, and a focus detection unit configured to detect a focus by rotating the imaging element using the imaging element driving unit in accordance with a result of an image captured by the imaging element.
    Type: Application
    Filed: February 16, 2021
    Publication date: August 19, 2021
    Inventors: Sho Nagatsu, Haruhisa Ueda, Hitoshi Mizoguchi, Kazuaki Yamana, Jun Kamiya, Keisuke Fukuyo
  • Patent number: D938508
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 14, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D939011
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 21, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Jun Kamiya
  • Patent number: D939612
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 28, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu, Jun Kamiya
  • Patent number: D941903
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: January 25, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Jun Kamiya
  • Patent number: D958224
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: July 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D958225
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D958226
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D958227
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D958869
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 26, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D960957
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D960958
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu, Jun Kamiya
  • Patent number: D960959
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D960960
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu, Jun Kamiya
  • Patent number: D960961
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D963725
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu
  • Patent number: D963731
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Yamana, Masayasu Shigematsu, Jun Kamiya
  • Patent number: D963732
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: September 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahisa Tamura, Katsuhiro Inoue, Kunihiko Sasaki, Shigehiro Torii, Toshinori Yamazaki, Toru Matsumoto, Kazuaki Yamana, Masayasu Shigematsu