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/JP2024/029649) for "OPTICAL TRANSMISSION LINE CHARACTERISTIC ESTIMATION DEVICE AND OPTICAL TRANSMISSION LINE CHARACTERISTIC ESTIMATION METHOD" on Aug 21, 2024. With publication no. WO/2026/042205, 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 managed by the World Intellectual Property Organizat...