ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,315, issued on Jan. 20, was assigned to The Yokohama Rubber Co. LTD. (Tokyo).
"Tire" was invented by Takashi Kidesaki (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire including, in a tread surface (12), a plurality of shoulder main grooves extending in a tire circumferential direction, a plurality of lug grooves (351) extending in a direction intersecting the shoulder main groove, and a plurality of blocks B defined by the shoulder main grooves and the lug grooves (351). The tread surface (12) of the block B includes circumferential narrow grooves (352) each extending in the tire circumferential direction and a plurality of sip...