ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,815, issued on April 29, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Cooking apparatus" was invented by Hyunwook Moon (Seoul, South Korea), Eui Sung Kim (Seoul, South Korea) and Dooyong Oh (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooking apparatus includes an upper plate configured to support a cooking vessel, a heating module that is movably disposed in a space under the upper plate and that includes a coil, a substrate that is disposed between the upper plate and the heating module and that includes a plurality of coil patterns, an inverter configured to supply a resonance current to each of the plurality ...