ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,063, issued on March 3, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Tire" was invented by Suguru Izumo (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is an object to provide a tire having well-improved fuel efficiency, wet grip performance, abrasion resistance, and wet grip performance at a later stage of abrasion. Provided is a tire comprising a tread part of a rubber composition comprising a rubber component comprising an isoprene-based rubber and a styrene-butadiene rubber, wherein a vinyl content of the styrene-butadiene rubber is greater than 26 mol %, wherein a given ratio A of an ash content of the rubber c...