ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,547, issued on Aug. 19, was assigned to POSCO Co. LTD (Pohang-si, South Korea).
"Grain-oriented electrical steel sheet and manufacturing method therefor" was invented by Se-Min Park (Pohang-si, South Korea) and Ju Seung Lee (Pohang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grain-oriented electrical steel sheet includes a plurality of linear deformable portions formed on a surface of the electrical steel sheet in a rolling direction, wherein an interval between the deformable portions changes to correspond to a grain size of grains over the entire length of the steel sheet, and at least two regions in which intervals between th...