ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,451, issued on June 17, was assigned to Lameditech Co. LTD. (Seoul, South Korea).
"Laser irradiation device" was invented by Jong Seok Choi (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser irradiation device for performing treatment on human skin includes a casing that includes a grip part and a barrel part; a laser oscillator that is accommodated in the casing and configured to generate a laser beam to be irradiated through the barrel part; a contact sensor unit that includes electrodes exposed at the end of the barrel part and a contact sensing unit configured to sense an electric current flowing through the electrodes;...