US Patent Issued to DOWA HOLDINGS, THE UNIVERSITY OF TOKYO on Sept. 30 for "Iron-based oxide magnetic powder and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,310, issued on Sept. 30, was assigned to DOWA HOLDINGS Co. LTD. (Tokyo) and THE UNIVERSITY OF TOKYO (Tokyo).

"Iron-based oxide magnetic powder and method for producing same" was invented by Shin-ichi Ohkoshi (Tokyo), Asuka Namai (Tokyo), Hiroko Tokoro (Tokyo), Marie Yoshikiyo (Tokyo), Kazuhiro Yamaga (Tokyo), Yasuto Miyamoto (Tokyo), Yuki Mineyama (Tokyo), Kenji Sakane (Tokyo) and Tetsuya Kawahito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 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...