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. 20, 2026
Filed:
Mar. 31, 2022
The Yokohama Rubber Co., Ltd., Kanagawa, JP;
Ayaki Kazariya, Kanagawa, JP;
Naoya Oizumi, Kanagawa, JP;
The Yokohama Rubber Co., LTD., Tokyo, JP;
Abstract
Provided is a pneumatic tire. The cap tread layer is made of a rubber composition in which 50 parts by mass to 100 parts by mass of silica and 5 parts by mass to 25 parts by mass of carbon black are blended per 100 parts by mass of diene rubber containing 50 mass % or more of natural rubber and 20 mass % or more and 40 mass % or less of styrene-butadiene rubber. As the styrene-butadiene rubber, terminal-modified styrene-butadiene rubber having a vinyl content of 35 mass % to 70 mass % is used. As the carbon black, carbon black having a nitrogen adsorption specific surface area NSA of less than 130 m/g is used. The rubber composition constituting the cap tread layer is set to have a tensile product TB×EB of 12000 or more and a hardness of 60 or more and 70 or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile