Patents by Inventor Kouichi Shigeta

Kouichi Shigeta 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).

  • Patent number: 11333956
    Abstract: An image pickup apparatus that suppresses looseness of an accessory fastened to a fastening portion of an apparatus body. An image pickup apparatus includes an accessory that includes a pair of fastening members, and an apparatus body including two fastening portions to which the accessory is removably fastened using the pair of fastening members. The accessory is provided with a second fitting portion which is fitted to one of first fitting portions formed around the fastening portions, by protrusion-recess fitting, in a state in which the accessory is fastened to the fastening portions of the apparatus body using the fastening members. One of the first fitting portion and the second fitting portion is formed by two fitting portions provided in association with the fastening members, and the other is formed by at least one fitting portion.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: May 17, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Norikazu Hirota, Kouichi Shigeta
  • Publication number: 20200341352
    Abstract: An image pickup apparatus that suppresses looseness of an accessory fastened to a fastening portion of an apparatus body. An image pickup apparatus includes an accessory that includes a pair of fastening members, and an apparatus body including two fastening portions to which the accessory is removably fastened using the pair of fastening members. The accessory is provided with a second fitting portion which is fitted to one of first fitting portions formed around the fastening portions, by protrusion-recess fitting, in a state in which the accessory is fastened to the fastening portions of the apparatus body using the fastening members. One of the first fitting portion and the second fitting portion is formed by two fitting portions provided in association with the fastening members, and the other is formed by at least one fitting portion.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 29, 2020
    Inventors: Norikazu Hirota, Kouichi Shigeta
  • Patent number: 10732491
    Abstract: An image pickup apparatus that suppresses looseness of an accessory fastened to a fastening portion of an apparatus body. An image pickup apparatus includes an accessory that includes a pair of fastening members, and an apparatus body including two fastening portions to which the accessory is removably fastened using the pair of fastening members. The accessory is provided with a second fitting portion which is fitted to one of first fitting portions formed around the fastening portions, by protrusion-recess fitting, in a state in which the accessory is fastened to the fastening portions of the apparatus body using the fastening members. One of the first fitting portion and the second fitting portion is formed by two fitting portions provided in association with the fastening members, and the other is formed by at least one fitting portion.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 4, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Norikazu Hirota, Kouichi Shigeta
  • Publication number: 20190154949
    Abstract: A heat dissipation module suitable for a system camera formed by a plurality of modules. A heat dissipation module has a first engagement structure which is provided on a first surface and with which a first mating module is removably engaged and a second engagement structure is provided on a second surface parallel to the first surface and with which a second mating module is removably engaged. A first heat reception portion is configured to receive heat from the first mating module. The heat dissipation module also has a first interface electrically connected to the first mating module, and a second interface electrically connected to the first interface and electrically connected to the second mating module. A fan unit is provided between the first surface and the second surface, for dissipating heat received by the first heat reception portion to the outside.
    Type: Application
    Filed: November 9, 2018
    Publication date: May 23, 2019
    Inventors: Hiroshi Hosoe, Hirotaka Ifuku, Yousaku Endo, Kouichi Shigeta, Hideki Toichi
  • Publication number: 20180275493
    Abstract: An image pickup apparatus that suppresses looseness of an accessory fastened to a fastening portion of an apparatus body. An image pickup apparatus includes an accessory that includes a pair of fastening members, and an apparatus body including two fastening portions to which the accessory is removably fastened using the pair of fastening members. The accessory is provided with a second fitting portion which is fitted to one of first fitting portions formed around the fastening portions, by protrusion-recess fitting, in a state in which the accessory is fastened to the fastening portions of the apparatus body using the fastening members. One of the first fitting portion and the second fitting portion is formed by two fitting portions provided in association with the fastening members, and the other is formed by at least one fitting portion.
    Type: Application
    Filed: March 19, 2018
    Publication date: September 27, 2018
    Inventors: Norikazu Hirota, Kouichi Shigeta