ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,084, issued on May 6, was assigned to Marelli Corp. (Saitama, Japan).

"Ventilator" was invented by Masami Kikuchi (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ventilator includes a first louver, second louvers, side walls, a first inclined member, and a convex part. The first inclined member is inclined so that an opening area widens from the upstream side to a downstream side. The first inclined member has a vertex of inclination in a cross-sectional view that is positioned at the upstream side. The convex part is arranged adjacent at the upstream side in the airflow direction to the vertex. In a maximum angle state in which the...