ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,972, issued on April 21.
"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 rubber occupancy ratio in a closed region is in a range of 15% or less. Bead cores have a predetermined wire arrangement structure formed by arranging wire cross sections of bead wires in a cross-sectional view in a tire meridian direction. A tangential contacts an innermost layer in a tire radial direction and the wire cross sections innermost and outermost in a tire lateral direction in the wire arrangement structure from a...