Patents by Inventor Kazuna TSUDUKI

Kazuna TSUDUKI 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).

  • VEHICLE WHEEL DISC AND MANUFACTURING METHOD OF VEHICLE WHEEL DISC
    Publication number: 20210370386
    Abstract: A vehicle wheel disc includes a flat plate-shaped hub-mounted part, a cylindrical rim-mounted part, and a hat-shaped part. The hat-shaped part includes a hat top portion, a hat inner peripheral portion, and a hat outer peripheral portion. At a border between the hub-mounted part and the hat inner peripheral portion, a first connecting portion is provided, and at a border between the hat top portion and the hat outer peripheral portion, a second connecting portion is provided. The plate thickness of the hat outer peripheral portion is smaller than the plate thickness of an intermediate portion that is a portion from a border between the first connecting portion and the hat inner peripheral portion to a border between the hat top portion and the second connecting portion in the disc radial direction.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 2, 2021
    Applicant: CENTRAL MOTOR WHEEL CO., LTD.
    Inventors: Naoki GOTOU, Kazuna TSUDUKI
  • Vehicle wheel disc and manufacturing method of vehicle wheel disc
    Patent number: 11135641
    Abstract: A vehicle wheel disc includes a flat plate-shaped hub-mounted part, a cylindrical rim-mounted part, and a hat-shaped part. The hat-shaped part includes a hat top portion, a hat inner peripheral portion, and a hat outer peripheral portion. At a border between the hub-mounted part and the hat inner peripheral portion, a first connecting portion is provided, and at a border between the hat top portion and the hat outer peripheral portion, a second connecting portion is provided. The plate thickness of the hat outer peripheral portion is smaller than the plate thickness of an intermediate portion that is a portion from a border between the first connecting portion and the hat inner peripheral portion to a border between the hat top portion and the second connecting portion in the disc radial direction.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: October 5, 2021
    Assignee: CENTRAL MOTOR WHEEL CO., LTD.
    Inventors: Naoki Gotou, Kazuna Tsuduki
  • VEHICLE WHEEL DISC AND MANUFACTURING METHOD OF VEHICLE WHEEL DISC
    Publication number: 20200108435
    Abstract: A vehicle wheel disc includes a flat plate-shaped hub-mounted part, a cylindrical rim-mounted part, and a hat-shaped part. The hat-shaped part includes a hat top portion, a hat inner peripheral portion, and a hat outer peripheral portion. At a border between the hub-mounted part and the hat inner peripheral portion, a first connecting portion is provided, and at a border between the hat top portion and the hat outer peripheral portion, a second connecting portion is provided. The plate thickness of the hat outer peripheral portion is smaller than the plate thickness of an intermediate portion that is a portion from a border between the first connecting portion and the hat inner peripheral portion to a border between the hat top portion and the second connecting portion in the disc radial direction.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 9, 2020
    Applicant: CENTRAL MOTOR WHEEL CO., LTD.
    Inventors: Naoki GOTOU, Kazuna TSUDUKI