Patents by Inventor Mina Fukuda

Mina Fukuda 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: 12344040
    Abstract: A pneumatic tire includes two circumferential main grooves disposed in an inner half of a tread developed width in a tire lateral direction; shoulder lug grooves that divide shoulder land portions into shoulder block portions and that each include a see-through portion in the tire lateral direction; and center lug grooves that divide a center land portion into a plurality of center block portions. The center lug grooves each include: two end groove portions opening to the innermost circumferential main grooves and one center groove portion that extends between the end groove portions, has at least a part disposed on a tire equator line, and has an angle ?1 with respect to the tire equator line satisfying ?45°??1?+15°.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: July 1, 2025
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Mina Fukuda
  • Publication number: 20210370723
    Abstract: A pneumatic tire includes two circumferential main grooves disposed in an inner half of a tread developed width in a tire lateral direction; shoulder lug grooves that divide shoulder land portions into shoulder block portions and that each include a see-through portion in the tire lateral direction; and center lug grooves that divide a center land portion into a plurality of center block portions. The center lug grooves each include: two end groove portions opening to the innermost circumferential main grooves and one center groove portion that extends between the end groove portions, has at least a part disposed on a tire equator line, and has an angle ?1 with respect to the tire equator line satisfying ?45°??1?+15°.
    Type: Application
    Filed: November 30, 2018
    Publication date: December 2, 2021
    Inventor: Mina Fukuda
  • Publication number: 20200130419
    Abstract: A pneumatic tire rotatable around a tire rotation axis includes a tread portion provided with a circumferential main groove extending in a tire circumferential direction, and a projecting body provided on a groove bottom of the circumferential main groove and projecting outward from the groove bottom in a tire radial direction. The projecting body includes a first portion connected to the groove bottom and a second portion disposed outward from the first portion in the tire radial direction. In a tire lateral direction, a dimension of the first portion is W1 and a dimension of the second portion is W2, and a condition W1<W2 is satisfied.
    Type: Application
    Filed: March 15, 2018
    Publication date: April 30, 2020
    Inventor: Mina Fukuda
  • Publication number: 20180201072
    Abstract: A tread surface of a tread portion of a pneumatic tire comprises a circumferential main groove and a projection body extending continuously in a tire circumferential direction, the projection body projecting in a tire radial direction from a groove bottom of the circumferential main groove; and connecting portions connecting the projection body and groove walls of the circumferential main groove alternately disposed in the tire circumferential direction on first and second sides of the projection body in a tire lateral direction; a relationship of L to a total of V1 to Vn and W1 to Wn satisfying from 0.7 L to 1.5 L, where L is a circumferential length of the projection body, and V1 to Vn and W1 to Wn are circumferential dimensions of the connecting portions on the first and second sides of the projection body in the tire lateral direction, respectively.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 19, 2018
    Inventor: Mina Fukuda
  • Patent number: D819554
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: June 5, 2018
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Ryuji Yasuda, Mina Fukuda
  • Patent number: D882500
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: April 28, 2020
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Mina Fukuda, Reika Tokunaga, Kotaro Iwabuchi