ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,528, issued on April 7, was assigned to POSCO Co. LTD (Pohang-si, South Korea).
"Grain-oriented electrical steel sheet and method for refining magnetic domain of same" was invented by Oh-Yeoul Kwon (Pohang-si, South Korea), Jong-Tae Park (Pohang-si, South Korea), Woo-Sin Kim (Pohang-si, South Korea), Chang-Ho Kim (Pohang-si, South Korea), Hyun-Chul Park (Pohang-si, South Korea), Won-Gul Lee (Pohang-si, South Korea) and Oho-Cheal Kwon (Pohang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present invention provides a grain-oriented electrical steel sheet, including: a linear groove formed in a direction crossing a...