US Patent Issued to BRIDGESTONE on April 22 for "Pneumatic tire" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,616, issued on April 22, was assigned to BRIDGESTONE Corp. (Tokyo).

"Pneumatic tire" was invented by Mayuko Karasawa (Tokyo) and Kai Yamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic tire that includes a tread surface 1 including: two or more main grooves 3; and a pair of middle block rows 22, wherein one or more first middle blocks in the plurality of middle blocks each have a middle block inclined side wall surface 223 that faces an outer main groove in the pair of outer main grooves and that gradually inclines inwards in a tire radial direction as the middle block inclined side wall surface extends outwards in the tire width...