The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Nov. 05, 2021
Bridgestone Corporation, Tokyo, JP;
Shintaro Hatanaka, Tokyo, JP;
Isao Kuwayama, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
Provided is a pneumatic tire including: a pair of bead cores embedded in a pair of bead portions; and a carcass including one or more carcass plies extending in a toroidal form between the pair of bead cores, wherein bead fillers are disposed on an outer side in a tire radial direction of the bead cores, rubber chafers are provided on an outer side in a tire width direction of the bead fillers, and when a storage modulus of the bead fillers is E1', and a storage modulus of the rubber chafers is E2′, the ratio E2′/E1′ satisfies 0.4≤E2′/E1′ ≤1.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile