ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,898, issued on Jan. 13, was assigned to Proterial Ltd. (Tokyo).

"Method for manufacturing Fe-Co-based alloy bar, and Fe-Co-based alloy bar" was invented by Masaru Fujiyoshi (Tokyo), Shujiroh Uesaka (Tokyo) and Kouji Kobayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Fe-Co-based alloy bar and a method for manufacturing same, whereby excellent magnetic properties can be reliably obtained. The method for manufacturing an Fe-Co-based alloy bar comprises a heating straightening step for applying tensile stress to a hot-rolled material of an Fe-Co-based alloy while heating the hot-rolled material to a temperature of 500-900deg C. Preferabl...