ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,680, issued on June 30, was assigned to I.S.T Corp. (Otu, Japan).
"Fixing belt" was invented by Akimasa Yoshimoto (Kusatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An objective of the present invention is to provide a fixing belt having excellent thermal conductivity and capable of suppressing a torque increase in long-term use. The fixing belt of this invention has a base layer including a polyimide resin, a thermal conductive filler, and a wear-resistant filler, the old Mohs hardness of the wear-resistant filler is 5 or more, the thermal conductivity of the base layer is 0.7 W/mK or more, and the inner surface roughness Rz of the base...