ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,947, issued on Feb. 11, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Tire" was invented by Yoshifumi Kawagoe (Kobe, Japan) and Koichi Nakajima (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire includes a pair of sidewall portions. An outer surface of at least one of the sidewall portions includes at least one concave mark recessed from a reference surface. The or each concave mark includes a bottom surface and an inner wall surface. The bottom surface includes a peripheral region and a main region. The peripheral region includes a shadow region and a non-shadow region. The shadow region and the non-shadow region a...