ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,144, issued on May 27, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Drug delivery device and method of operating the device" was invented by Kitae Park (Seoul, South Korea), Joonseong Kang (Suwon-si, South Korea), Sang Joon Kim (Hwaseong-si, South Korea) and Young Jun Hong (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drug delivery device and a method of operating the drug delivery device are provided. The drug delivery device includes a light emitter disposed in a body to emit light based on a control signal, a drug reservoir configured to react to the light emitted from the light emitter and to rele...