ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,299, issued on March 24, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Optical communication device" was invented by Ryo Hayakawa (Tokyo), Kenji Ishii (Tokyo) and Kiyoshi Onohara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication device includes a signal multiplexing unit that multiplexes a plurality of client signals and a signal transmission unit that converts a first multiplexed signal obtained by the multiplexing to an optical signal and transmits the optical signal. The optical communication device is a device capable of receiving data traffic greater than data traffic corresponding to a predetermined communic...