ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,297, issued on April 8, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Tire" was invented by Keiji Higuchi (Kobe, Japan), Ryota Ikeda (Kobe, Japan), Yuto Ohte (Kobe, Japan) and Takuya Osawa (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tire comprises a tread portion comprising circumferential grooves and land portions divided thereby. The land portions include a first shoulder land portion and a first middle land portion adjacent thereto. The first shoulder land portion is provided with first shoulder sipes. The middle land portion is provided with first middle sipes. Each of the first shoulder sipes and the first mi...