ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,847, issued on Dec. 30, was assigned to BRIDGESTONE Corp. (Tokyo).
"Tire" was invented by Hiroyuki Matsumoto (Tokyo), Yoshio Kaji (Tokyo) and Hiroshi Nomura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The tire of this disclosure is a tire having a land portion on a tread surface, wherein the land portion comprises a sipe unit consisting of a pair of sipes, each of the pair of sipes extends such that both ends in the extending direction of sipes terminate within the land portion, and the pair of sipes are opposed to each other in the tire circumferential direction only in part in the tire width direction."
The patent was filed on May 19, 2...