ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,693, issued on May 13, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).
"Heating device" was invented by Takuma Ishihara (Kanagawa, Japan), Takashi Ohashi (Kanagawa, Japan) and Takashi Matsubara (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heating device includes a heating roller having a resistance heat-generating layer that generates heat by passage of a current through the resistance heat-generating layer, a pressure rotating body that rotates in such a manner as to press a sheet-shaped heating target that is an object to be subjected to a heating treatment against an outer peripheral surface of the heating roller ...