ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,573, issued on April 7, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Die coater and inspection device thereof" was invented by Do Hyun Lee (Daejeon, South Korea), Seong Su Park (Daejeon, South Korea), Myung Han Lee (Daejeon, South Korea), Duck Joong Yun (Daejeon, South Korea) and Woo Jin An (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for inspecting a die coater including a first die, a second die, and a shim formed between the first die and the second die, includes a rail formed to be fixed long on one surface of the first die in a longitudinal direction of the die coater, and at least one sensor a...