ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,498, issued on Oct. 6, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Image forming apparatus that controls heater of fixing device, according to size of recording sheet" was invented by Kenichi Kasama (Osaka, Japan), Ryohei Tokunaga (Osaka, Japan), Takashi Miyake (Osaka, Japan), Akihiro Kondo (Osaka, Japan), Hiroki Kawasaki (Osaka, Japan), Shunsaku Fujii (Osaka, Japan) and Yuto Masaoka (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fixing device includes a main heater located at a central portion of a fixing belt in a direction along a rotary shaft, two sub heaters located at respective end portions, and a cooling f...