ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,638, issued on Sept. 23, 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 that includes a bottom plate; and a lid body that includes a top plate facing the bottom plate in an up-down direction. An accommodating space that accommodates an optical fiber is formed between the bottom plate and the top plate. one of the tray and the lid body includes: an outer wall portion; and an inner wall portion inside ...