ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,250, issued on May 20, was assigned to Toyo Tire Corp. (Itami, Japan).
"Pneumatic tire" was invented by Naoya Kubo (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intermediate rib has a plurality of intermediate sipes arranged at a predetermined pitch in a tire-circumferential direction and extending in a direction intersecting the tire-circumferential direction, the intermediate sipes include a plurality of first intermediate sipes on one side in a tire-width direction and a plurality of second intermediate sipes on another side in the tire-width direction, the first intermediate sipes and second intermediate sipes are alternately a...