GENEVA, Aug. 25 -- 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/JP2024/004967) for "OPTICAL SIGNAL QUALITY CALCULATION METHOD FOR OPTICAL COMMUNICATION NETWORK AND OPTICAL SIGNAL QUALITY CALCULATION DEVICE" on Feb 14, 2024. With publication no. WO/2025/173104, the details related to the patent application was published on Aug 21, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organizat...