Patents by Inventor Yu Tomitaka

Yu Tomitaka 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).

  • Pneumatic tire
    Patent number: 9724970
    Abstract: There is provided an pneumatic tire including a pair of left and right beads each including a bead core and a bead filler, and a carcass ply extending between the pair of beads, wherein the carcass ply is wound up around the bead core from the outside to the inside in the widthwise direction of the tire, and an end portion of the wind-up portion of the carcass ply is provided with notches at a plurality of positions in the circumference direction of the tire.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: August 8, 2017
    Assignee: TOYO TIRE & RUBBER CO., LTD.
    Inventor: Yu Tomitaka
  • Pneumatic tire
    Patent number: 9676236
    Abstract: A pneumatic tire according to the invention includes: a pair of left and right beads 3 each including a bead cores 3a and bead fillers 3b; a carcass ply 5 extended around the bead cores 3a; and an inner liner 4 arranged on an inner peripheral side of the carcass ply 5, and is characterized in that the carcass ply 5 is wound up around the bead cores 3a from the outside in the direction of width of tire to the inside in the direction of width of tire, and a distortion restraining layer 7 configured to restrain distortion of the winding ends 5a of the carcass ply 5 is provided between the bead fillers 3b and the carcass ply 5 so as to overlap with a wind-up ends 5a of the carcass ply 5.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: June 13, 2017
    Assignee: TOYO TIRE & RUBBER CO., LTD.
    Inventor: Yu Tomitaka
  • PNEUMATIC TIRE
    Publication number: 20150151591
    Abstract: There is provided an pneumatic tire including a pair of left and right beads each including a bead core and a bead filler, and a carcass ply extending between the pair of beads, wherein the carcass ply is wound up around the bead core from the outside to the inside in the widthwise direction of the tire, and an end portion of the wind-up portion of the carcass ply is provided with notches at a plurality of positions in the circumference direction of the tire.
    Type: Application
    Filed: October 22, 2014
    Publication date: June 4, 2015
    Applicant: TOYO TIRE & RUBBER CO., LTD.
    Inventor: Yu Tomitaka
  • PNEUMATIC TIRE
    Publication number: 20150114540
    Abstract: A pneumatic tire according to the invention includes: a pair of left and right beads 3 each including a bead cores 3a and bead fillers 3b; a carcass ply 5 extended around the bead cores 3a; and an inner liner 4 arranged on an inner peripheral side of the carcass ply 5, and is characterized in that the carcass ply 5 is wound up around the bead cores 3a from the outside in the direction of width of tire to the inside in the direction of width of tire, and a distortion restraining layer 7 configured to restrain distortion of the winding ends 5a of the carcass ply 5 is provided between the bead fillers 3b and the carcass ply 5 so as to overlap with a wind-up ends 5a of the carcass ply 5.
    Type: Application
    Filed: September 22, 2014
    Publication date: April 30, 2015
    Applicant: TOYO TIRE & RUBBER CO., LTD.
    Inventor: Yu Tomitaka
  • Tire
    Patent number: D920896
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 1, 2021
    Assignee: Toyo Tire Corporation
    Inventor: Yu Tomitaka