ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,109, issued on Nov. 11, was assigned to Fujikura Ltd. (Tokyo).

"Optical input/output device" was invented by Takuya Oda (Sakura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical input/output device includes: one or more multicore fibers each comprising one or more transmitting cores and one or more receiving cores; first transmitting single-core fibers whose number is equal to a total number of the transmitting cores; first receiving single-core fibers whose number is equal to a total number of the receiving cores in all the multicore fibers; a fan-in/fan-out device that optically couples each core of the first transmitting single-cor...