US Patent Issued to KYOCERA Document Solutions on Oct. 14 for "Electrophotographic photosensitive member, process cartridge, and image forming apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,118, issued on Oct. 14, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Electrophotographic photosensitive member, process cartridge, and image forming apparatus" was invented by Tomofumi Shimizu (Osaka, Japan) and Makoto Shishido (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A single-layer photosensitive layer included in an electrophotographic photosensitive member contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. The binder resin includes a polyarylate resin. The polyarylate resin includes repeating units represented by formulas (1), (2), (3), and ...