ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,815, issued on March 18, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Endless belt, fixing belt, fixing device, and image forming apparatus" was invented by Ryohei Yoshikawa (Kanagawa, Japan), Tomotake Inagaki (Kanagawa, Japan), Kenji Kajiwara (Kanagawa, Japan), Hiroaki Tanaka (Kanagawa, Japan) and Taiki Nagamatsu (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An endless belt contains a resin, a filler A having an aspect ratio of 5 or more, and two or more fillers B having an aspect ratio of less than 5, in which a volume-based particle size distribution of the fillers B has two or more peaks among which a peak exis...