US Patent Issued to DOWA ELECTRONICS MATERIALS on July 14 for "Iron-based oxide magnetic powder and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,049, issued on July 14, was assigned to DOWA ELECTRONICS MATERIALS Co. LTD. (Tokyo).

"Iron-based oxide magnetic powder and method for producing same" was invented by Yasuto Miyamoto (Tokyo), Kazuhiro Yamaga (Tokyo) and Yuki Mineyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making an iron-based oxide magnetic powder includes adding raw material solution containing trivalent iron ions, or trivalent iron ions and ions of a metal element that partially substitutes Fe sites, and an alkaline aqueous solution for neutralizing the raw material solution to a reaction system to adjust the pH of the reaction system to 1.0 or higher an...