ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,407, issued on Nov. 3, was assigned to ARCREAL INC. (Seoul, South Korea).

"Intraoral scanner" was invented by Seung Hyun Jeon (Seoul, South Korea) and Kyong Kook Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intraoral scanner according to an embodiment includes a case having an opening part formed at one end thereof, a light source part disposed inside the case and configured to emit light, a first optical system disposed at the opening part and configured to reflect the light emitted from the light source part toward a subject located outside the case, a second optical system disposed adjacent to the first optical system ...