ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,472, issued on Sept. 15, was assigned to JEDEX INC. (Yongin-si, South Korea).

"Optical foreign substance detection device using light scattering and image analysis" was invented by Jin Ho Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical foreign substance detection device using light scattering and image analysis to detect and analyze a foreign substance included in a target object, and the optical foreign substance detection device includes an optical housing; a light irradiation unit connected to and installed in a lower portion of the optical housing, and has a plurality of light sources arranged to...