ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,420, issued on May 13, was assigned to KT&G Corp. (Daejeon, South Korea).
"Aerosol generation system of preheating heater" was invented by Hun Il Lim (Seoul, South Korea), Jong Sub Lee (Seongnam-si, South Korea), Dae Nam Han (Daejeon, South Korea), Jang Uk Lee (Seoul, South Korea), Jung Ho Han (Daejeon, South Korea), Jin Young Yoon (Seoul, South Korea), Young Lea Kim (Seoul, South Korea), Ji Soo Jang (Seoul, South Korea), Wang Seop Lim (Anyang-si, South Korea), Moon Bong Lee (Seoul, South Korea), Soung Ho Ju (Daejeon, South Korea), Du Jin Park (Seoul, South Korea) and Seong Won Yoon (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Offic...