ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,618, issued on July 1, was assigned to HANMI PHARMACEUTICAL Co. LTD. (Hwaseong-si, South Korea).

"Heterotricyclic derivative compound and use of same" was invented by Dong Jin Hong (Hwaseong-si, South Korea), Seung Hyun Jung (Hwaseong-si, South Korea), Chang Hee Park (Hwaseong-si, South Korea), Seo Hee Kim (Hwaseong-si, South Korea), Ji Young Hwang (Hwaseong-si, South Korea) and Young Gil Ahn (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel heterotricyclic compounds of Formula 1 or pharmaceutically acceptable salts thereof, and uses thereof are disclosed. The novel heterotricyclic compounds exhibit an inhibitory activi...