ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,525, issued on May 5, was assigned to MINEBEA MITSUMI INC. (Nagano, Japan).
"Manufacturing method for permanent magnet" was invented by Yu Okawara (Kitasaku-gun, Japan) and Haruhiro Komura (Kitasaku-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method for a permanent magnet includes a magnetization step of magnetizing a to-be-magnetized object by a magnetizer including a field magnet unit having a plurality of permanent magnets for magnetization configured to generate a magnetic field on the to-be-magnetized object arranged at equal intervals and a heating unit having a heating surface opposing the to-be-magnetized object i...