ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,029, issued on July 8, was assigned to MAZDA MOTOR Corp. (Hiroshima, Japan).

"Lower vehicle-body structure of vehicle" was invented by Hirotaka Natsume (Aki-gun, Japan), Toshiyuki Koga (Aki-gun, Japan), Akiko Nakamoto (Aki-gun, Japan), Kento Otsuka (Aki-gun, Japan), Kohichi Tanimoto (Hiroshima, Japan), Yuji Yokogi (Hiroshima, Japan) and Yoshie Nishimoto (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A floor tunnel protruding upwardly and extending in a vehicle longitudinal direction at a central position, in a vehicle width direction, of a floor panel, a cross member having ridgelines extending in the vehicle width direction at a re...