ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,510, issued on Oct. 7, was assigned to BRIDGESTONE Corp. (Tokyo).
"Pneumatic radial tire for passenger vehicles" was invented by Isao Kuwayama (Tokyo) and Shintaro Hatanaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic radial tire for passenger vehicles that satisfies a defined relationship between sectional width SW and outer diameter OD of the tire, and includes only two circumferential main grooves extending in a tire circumferential direction on a tread contact surface, a barycenter of the circumferential main grooves being positioned in a half portion of the tire on a vehicle-mounted outward side, which is one side of the tir...