ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,588, issued on Sept. 23, was assigned to Sumitomo Rubber Industries Ltd. (Hyogo, Japan).
"Tire" was invented by Tetsuya Kunisawa (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to provide tires which provide improved overall performance in terms of fuel economy, life performance, wet grip performance, and handling stability. The present invention relates to a tire including a tread, the tread containing a rubber component, a silica having a nitrogen adsorption specific surface area of 200 m2/g or more, and a softener, the tread satisfying the following relationship (A):0.25less than equal tototal silica conten...