Patents by Inventor Hiroshi Tokizaki

Hiroshi Tokizaki 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: 11235626
    Abstract: A pneumatic tire includes a tread portion including grooves formed into a predetermined pattern design, a sidewall portion including a surface on which a maximum tire width position is located, and a serration portion including a plurality of ridges arranged at intervals in a tire circumferential direction on the surface of the sidewall portion. The serration portion includes first ridge groups and second ridge groups. The first ridge groups each include a plurality of first ridges arranged adjacent to each other in the tire circumferential direction and including end portions of which the distances from the rotation axis gradually change. The second ridge groups each include a plurality of second ridges arranged adjacent to each other in the tire circumferential direction and including end portions of which the distances from the rotation axis gradually change.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: February 1, 2022
    Inventor: Hiroshi Tokizaki
  • Publication number: 20180141391
    Abstract: A pneumatic tire includes a tread portion including grooves formed into a predetermined pattern design, a sidewall portion including a surface on which a maximum tire width position is located, and a serration portion including a plurality of ridges arranged at intervals in a tire circumferential direction on the surface of the sidewall portion. The serration portion includes first ridge groups and second ridge groups. The first ridge groups each include a plurality of first ridges arranged adjacent to each other in the tire circumferential direction and including end portions of which the distances from the rotation axis gradually change. The second ridge groups each include a plurality of second ridges arranged adjacent to each other in the tire circumferential direction and including end portions of which the distances from the rotation axis gradually change.
    Type: Application
    Filed: February 8, 2016
    Publication date: May 24, 2018
    Inventor: Hiroshi Tokizaki
  • Patent number: 9387730
    Abstract: In a tire, protrusions are disposed at intervals in the tire circumferential direction in at least one tire side portion, extending in an elongated manner from the inner side to the outer side in the tire radial direction including the maximum tire width position, the extension direction of each of the protrusions is inclined with respect to the tire radial direction, and the each of the protrusions adjacent to each other in the tire circumferential direction is disposed with the opposite orientation of the inclination with respect to the tire radial direction.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: July 12, 2016
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Yuji Kodama, Masataka Koishi, Hiroshi Tokizaki
  • Patent number: D778816
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: February 14, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventor: Hiroshi Tokizaki
  • Patent number: D789282
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: June 13, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Takashi Kidesaki, Yoshifumi Koishikawa, Hiroshi Tokizaki
  • Patent number: D795171
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: August 22, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Naoko Suzuki, Hiroshi Tokizaki
  • Patent number: D800644
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 24, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Hiroshi Tokizaki, Yasutaka Akashi
  • Patent number: D800645
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 24, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Hiroshi Tokizaki, Yasutaka Akashi
  • Patent number: D801261
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 31, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Takahiro Yamakawa, Hiroshi Tokizaki
  • Patent number: D801264
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 31, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventor: Hiroshi Tokizaki
  • Patent number: D805463
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: December 19, 2017
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Yasutaka Akashi, Hiroshi Tokizaki
  • Patent number: D834512
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 27, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D834513
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 27, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D844547
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: April 2, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D849677
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: May 28, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D851582
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 18, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D855013
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: July 30, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D855559
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: August 6, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yosuke Sakamoto, Hiroshi Tokizaki
  • Patent number: D891359
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 28, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Hiroshi Tokizaki, Yosuke Sakamoto
  • Patent number: D896740
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: September 22, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Hiroshi Tokizaki, Yosuke Sakamoto