ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,900, issued on Jan. 13, was assigned to Proterial Ltd. (Tokyo).
"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: "The present invention provides an Fe-Co-based alloy bar which enables excellent magnetic properties to be reliably obtained. In the Fe-Co-based alloy bar, an area ratio of crystal grains having a grain orientation spread (GOS) value of 0.5deg or more exceeds 80%, and the difference between an area ratio of crystal grains having a GOS value of 0.5deg or more observed in a cross section in a direction perpendicular to an axis o...