ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,688, issued on June 10, was assigned to CANON K.K. (Tokyo).

"Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus" was invented by Tatsuya Yamaai (Kanagawa, Japan), Kaname Watariguchi (Kanagawa, Japan), Kenichi Kaku (Shizuoka, Japan), Shuhei Iwasaki (Kanagawa, Japan) and Akihiro Maruyama (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrophotographic photosensitive member includes: a support; an undercoat layer; a charge generation layer; and a charge transport layer, wherein the undercoat layer contains a polyamide resin and a titanium oxide fine particle, and on the surface of the un...