ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,108, issued on May 6, was assigned to KT&G Corp. (Daejeon, South Korea).
"Aerosol generating device" was invented by Ju Eon Park (Seoul, South Korea), Min Kyu Kim (Seoul, South Korea), Jong Sub Lee (Gyeonggi-do, South Korea) and Byung Sung Cho (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol generating device includes: a liquid storage configured to store an aerosol generating material; a first residual amount detection sensor and a second residual amount detection sensor respectively arranged on a first inner surface and a second inner surface that face each other among inner surfaces of the liquid storage; a thir...