ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,947, issued on Aug. 12, was assigned to POWER CUBESEMI INC. (Gyeonggi-Do, South Korea).
"Large-area heater" was invented by Tai Young Kang (Gyeonggi-do, South Korea), Dong ju Kim (Incheon, South Korea), Young Sung Hong (Seoul, South Korea) and Hyun Gi Kang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present invention provides a large-area heater. The large-area heater comprises: a heating plate including a central area in which heat is concentrated and a peripheral area surrounding the central area; and a plurality of unit heaters for heating at least a part of the central area and at least a part of the p...