ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,663, issued on Sept. 23, was assigned to TANAKA ENGINEERING INC. (Saitama, Japan).

"Camera head and imaging system" was invented by Motohiro Misawa (Saitama, Japan) and Susumu Yagi (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some cases, it is desirable for a camera head to be small. A camera head has an elongated shape, and is used for imaging an imaging area located in a vicinity of a leading end portion in a longitudinal direction. The camera head includes: a camera module; two or more light source units disposed at positions farther from the leading end portion than the camera module is in the longitudinal direction; and a ...