ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,018, issued on Dec. 9, was assigned to ASTERASYS Co. LTD. (Seoul, South Korea).

"Skin treatment device with overheating protection" was invented by Eun Taek Seo (Seoul, South Korea) and Jong Seok Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a skin treatment device with overheating protection and includes a grip unit allowed to be gripped, a power unit connected to the grip unit to supply power, an assembly unit detachably attached to the grip unit, an output unit mounted on the assembly unit, connected to the grip unit to receive power, and configured to come into contact with skin to output ...