ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,193, issued on March 31, was assigned to CANON K.K. (Tokyo).

"Fixing device including first and second heating members disposed at different locations along a traveling direction of a recording material" was invented by Hiroshi Oguri (Chiba, Japan), Takashi Uehara (Chiba, Japan), Satoshi Takemoto (Ibaraki, Japan) and Akitomo Miyamoto (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a fixing device which has a heater that includes a circuit board, a first heating member provided on the circuit board, and a second heating member to heat a region different from that of the first heating member in a longitudinal direction of th...