ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,779, issued on Nov. 18, was assigned to BRIDGESTONE Corp. (Tokyo).
"Tire" was invented by Yoshiki Nakata (Tokyo) and Mayuko Karasawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire includes a first circumferential main groove 11 and a second circumferential main groove 12 in a tread surface 1. A resonator 21 is formed in an intermediate land portion 20 partitioned between the first circumferential main groove and the second circumferential main groove. The resonator has an auxiliary groove 211 whose both ends terminate within the intermediate land portion. The groove depths D1 of the first and second circumferential main grooves are 50%...