GENEVA, March 2 -- NTT, INC. (5-1, Otemachi 1-chome, Chiyoda-ku, Tokyo1008116), ＮＴＴ株式会社 (東京都千代田区大手町一丁目５番１号) filed a patent application (PCT/JP2024/029413) for "MULTILEVEL OPTICAL SIGNAL PACKET TRANSMISSION DEVICE, MULTILEVEL OPTICAL SIGNAL PACKET RECEPTION DEVICE, AND MULTILEVEL OPTICAL SIGNAL PACKET TRANSMISSION/RECEPTION SYSTEM" on Aug 20, 2024. With publication no. WO/2026/042158, the details related to the patent application was published on Feb 26, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is ma...