ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,535, issued on Nov. 18, was assigned to Fujikura Ltd. (Tokyo).

"Optical wiring unit and optical termination box" was invented by Hiroyuki Takamizawa (Sakura, Japan), Toshiaki Nakajima (Sakura, Japan) and Hiroyoshi Shibata (Sakura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical wiring unit includes a tray, an operating member supported by the tray and that moves in a front-rear direction of the optical wiring unit as a reference to a neutral position, a slide piece including a latch, and one or more springs that bias the operating member toward the neutral position. The slide piece slides with respect to the operating member between ...