US Patent Issued to Honda Motor on May 26 for "Method of producing magnet material, method of producing rotor of electric motor, method of producing electric motor, and magnet material" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,600, issued on May 26, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Method of producing magnet material, method of producing rotor of electric motor, method of producing electric motor, and magnet material" was invented by Ryosuke Itoyama (Saitama, Japan) and Yasuhito Takei (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnet material producing method includes demagnetizing, by thermal demagnetization in an irreversible manner, a molded permanent magnet, by heating the permanent magnet in a presence of a reducing substance having a reducing property stronger than nitrogen molecules, and cooling the demagnetized permanent magnet t...