Patents by Inventor Kayo Mitsugi

Kayo Mitsugi 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).

  • Manufacturing method of cartridge and cartridge
    Patent number: 10545431
    Abstract: A manufacturing method of a cartridge, the cartridge being attachable to an apparatus main body of an image forming apparatus, the cartridge including a first member and a second member, the first member including a receiving surface and a retaining portion, and the second member including a contact surface in contact with the receiving surface. In the manufacturing method, the first member and the second member are held so that the contact surface covers the retaining portion and so that the contact surface and the receiving surface are in contact with each other and joined by ultrasonic spot welding so that a recess recessed towards the retaining portion is formed in the second member and so that at least part of a fused portion of the first member and the second member enters the retaining portion.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: January 28, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Numata, Makoto Hayashida, Naoki Maeda, Kayo Mitsugi
  • MANUFACTURING METHOD OF CARTRIDGE AND CARTRIDGE
    Publication number: 20190196358
    Abstract: A manufacturing method of a cartridge, the cartridge being attachable to an apparatus main body of an image forming apparatus, the cartridge including a first member and a second member, the first member including a receiving surface and a retaining portion, and the second member including a contact surface in contact with the receiving surface. In the manufacturing method, the first member and the second member are held so that the contact surface covers the retaining portion and so that the contact surface and the receiving surface are in contact with each other and joined by ultrasonic spot welding so that a recess recessed towards the retaining portion is formed in the second member and so that at least part of a fused portion of the first member and the second member enters the retaining portion.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 27, 2019
    Inventors: Tetsuya Numata, Makoto Hayashida, Naoki Maeda, Kayo Mitsugi