Patents by Inventor Yuta Itahashi

Yuta Itahashi 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).

  • Composite gear, cartridge, image forming apparatus, mold, and manufacturing method for composite gear
    Patent number: 11268605
    Abstract: A composite gear includes: a first member comprising a rotation shaft portion and a disk-shaped web extending in radial directions from the rotation shaft portion; and a second member comprising at least one engaging tooth on an outer periphery thereof and provided being supported by the web so as to surround an outer periphery of the first member. A space is provided between the second member and an outermost peripheral surface of the first member in a radial direction, a space is provided between the first member and an innermost peripheral surface of the second member in a radial direction, and at least one of the first member and the second member is formed to nip another of the first member and the second member from both sides thereof in an axial direction of the rotation shaft portion.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: March 8, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Gaku Iijima, Tatsurou Fujii, Yuta Itahashi
  • COMPOSITE GEAR, CARTRIDGE, IMAGE FORMING APPARATUS, MOLD, AND MANUFACTURING METHOD FOR COMPOSITE GEAR
    Publication number: 20200408295
    Abstract: A composite gear includes: a first member comprising a rotation shaft portion and a disk-shaped web extending in radial directions from the rotation shaft portion; and a second member comprising at least one engaging tooth on an outer periphery thereof and provided being supported by the web so as to surround an outer periphery of the first member. A space is provided between the second member and an outermost peripheral surface of the first member in a radial direction, a space is provided between the first member and an innermost peripheral surface of the second member in a radial direction, and at least one of the first member and the second member is formed to nip another of the first member and the second member from both sides thereof in an axial direction of the rotation shaft portion.
    Type: Application
    Filed: June 18, 2020
    Publication date: December 31, 2020
    Inventors: Gaku Iijima, Tatsurou Fujii, Yuta Itahashi