Patents by Inventor Masahiro Yabashi

Masahiro Yabashi 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: 9902213
    Abstract: Disclosed is a tire (1) which comprises: a bead core (10); a first bead filler (20); a first carcass (30); a second bead filler (40); and a rubber chafer (50) disposed at the outer side of the second bead filler (40) in the tread width direction. The second bead filler (40) covers a first bead filler outer end part (23) in the tread width direction, and a second bead filler inner end part (48) is disposed outside the bead core (10) in the tire radius direction. The rubber chafer (50) covers the second bead filler (40) in the tread width direction, and the loss tangent of the second bead filler (40) is smaller than the loss tangent of the rubber chafer (50).
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: February 27, 2018
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Masakazu Amano, Masahiro Yabashi
  • Publication number: 20130133806
    Abstract: Disclosed is a tire (1) which comprises: a bead core (10); a first bead filler (20); a first carcass (30); a second bead filler (40); and a rubber chafer (50) disposed at the outer side of the second bead filler (40) in the tread width direction. The second bead filler (40) covers a first bead filler outer end part (23) in the tread width direction, and a second bead filler inner end part (48) is disposed outside the bead core (10) in the tire radius direction. The rubber chafer (50) covers the second bead filler (40) in the tread width direction, and the loss tangent of the second bead filler (40) is smaller than the loss tangent of the rubber chafer (50).
    Type: Application
    Filed: August 5, 2011
    Publication date: May 30, 2013
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masakazu Amano, Masahiro Yabashi
  • Patent number: D781780
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: March 21, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Masahiro Yabashi