ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,317, issued on Jan. 20, was assigned to The Yokohama Rubber Co. LTD. (Tokyo) and SHANDONG XINGDA TYRE Co. LTD. (Shandong, China).
"Pneumatic tire" was invented by Atsushi Shimamura (Kanagawa, Japan), Yukihito Yamaguchi (Kanagawa, Japan), Mingquan Wang (Shandong, China), Feng Gao (Shandong, China) and Xueqin Jiang (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic tire includes a bead core including end portions in a width direction formed as a vertical line along a radial direction, the vertical line has a length of 31% to 45% of a core height, in two adjacent bead core layers of first, second and third layers of the bead co...