US Patent Issued to Ricoh on Sept. 9 for "Metal oxide particles having p-type semiconductivity, electronic device using the same, method for manufacturing electronic device, and image forming apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,429, issued on Sept. 9, was assigned to Ricoh Co. Ltd..

"Metal oxide particles having p-type semiconductivity, electronic device using the same, method for manufacturing electronic device, and image forming apparatus" was invented by Tomoharu Asano (Hyogo, Japan), Hidetoshi Kami (Shizuoka, Japan) and Ryota Inoue (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Metal oxide particles have p-type semiconductivity. The metal oxide particles have a volume-based particle size distribution having a first local maximum value and a second local maximum value. The first local maximum value is in a range of 0.1 micro metre or more and less than...