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:
Oct. 13, 2026
Filed:
Dec. 08, 2021
Bridgestone Corporation, Tokyo, JP;
Nao Kawakami, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
Provided are a pneumatic tire in which balance between dry steering stability and low rolling resistance is improved while excellent on-ice performance and wet grip performance are maintained, and a rubber composition from which the tire is obtained. The rubber composition contains a rubber component containing a natural rubber and a modified styrene-butadiene copolymer rubber having a glass transition temperature of −50° C. or lower, a resin, a filler containing silica having a cetyltrimethylammonium bromide specific surface area of 190 m/g or more, and an oil component. A content of the modified styrene-butadiene copolymer rubber in the rubber component is more than 50% by mass.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile