ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,835, issued on July 29, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Hyogo, Japan).
"Motorcycle tire set" was invented by Masafumi Otani (Hyogo, Japan) and Ryosuke Morimura (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motorcycle tire set S includes a front wheel tire S1 and a rear wheel tire S2 each provided with a plurality of inclined grooves 3. Each inclined groove 3 includes a first portion 11 extending in a crown region Cr, a second portion 12 extending in a shoulder region Sh, and a third portion 13 connecting the first portion 11 and the second portion 12. The third portion 13 has a smaller groove width than the first po...