ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,191, issued on March 31, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Sliding member with spaced grooves, fixing device, and image forming apparatus" was invented by Hideaki Ohara (Kanagawa, Japan), Kenji Omori (Kanagawa, Japan), Ryohei Yoshikawa (Kanagawa, Japan) and Taiki Nagamatsu (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sliding member includes a central portion of a sliding surface in a width direction provided with plural first grooves at intervals along a width direction of the first grooves, in which an angle formed by a first groove and a sliding direction is 45deg or more and 90deg or less, and in a...