ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,219, issued on Nov. 11, was assigned to The Yokohama Rubber Co. LTD. (Tokyo).
"Pneumatic tire" was invented by Hiraku Koda (Hiratsuka, Japan), Jun Matsuda (Hiratsuka, Japan) and Atsushi Tanno (Hiratsuka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a pneumatic tire, a turned back portion of a carcass layer contacts a body portion of the carcass layer in a cross-sectional view in a tire meridian direction to form a closed region surrounding bead cores. A rubber occupancy ratio in the closed region is in a range of 15% or less. The bead cores have a predetermined wire arrangement structure formed by arranging wire cross sections of bead wir...