ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,778, issued on Nov. 18, was assigned to The Yokohama Rubber Co. LTD. (Tokyo).
"Tire" was invented by Kenichi Matsumoto (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tread pattern of a tire includes: a circumferential main groove extending in a tire circumferential direction; a plurality of sipes extending in a tire width direction within a region of a land portion in contact in the tire width direction with the circumferential main groove; and a chamfered surface having a tread surface of the land portion inclined toward the circumferential main groove in an end portion in the tire width direction on a circumferential main groove...