ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,796, issued on March 25, was assigned to The Yokohama Rubber Co. LTD. (Tokyo).
"Method for manufacturing pneumatic tire" was invented by Noriyoshi Koyama (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a pneumatic tire includes: using a first cover material and a second cover material in a belt cover material and spirally winding the first cover material from a second side to a shoulder region on a first side; spirally winding the second cover material from the first side to a shoulder region on the second side; spirally winding the first cover material from the shoulder region on the first side to a tire ...