US Patent Issued to POSCO on March 31 for "Non-oriented electrical steel sheet and manufacturing method therefor" (South Korean Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,358, issued on March 31, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Non-oriented electrical steel sheet and manufacturing method therefor" was invented by Seil Lee (Pohang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-oriented electrical steel sheet according to an embodiment of the present invention includes: Si at 1.5 to 4.0 wt %, Al at 0.001 to 0.011 wt %, Mn at 0.05 to 0.40 wt %, S at 0.0001 to 0.01 wt %, As at 0.003 to 0.015 wt %, Mg at 0.0007 to 0.003 wt %, and the balance including Fe and other impurities unavoidably added thereto."

The patent was filed on Sept. 25, 2019, under Application No. 17/280,482...