ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,698, issued on Aug. 11, was assigned to DENSO Corp. (Aichi-pref., Japan).

"Imaging optical system" was invented by Hiroshi Asami (Kariya-city, Japan) and Yusuke Akamine (Nisshin-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An imaging optical system of a present disclosure includes, in a sequential order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The fourth lens is configured such that (i) the light output surface has an aspherical concave shape, (ii) the light output surface has a center portion through which an optical axis passes, and a periphery thereof, and (iii...