GENEVA, Nov. 3 -- 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/JP2024/015842) for "HOLE-ASSISTED OPTICAL FIBER AND METHOD FOR DESIGNING SAME" on Apr 23, 2024. With publication no. WO/2025/224824, the details related to the patent application was published on Oct 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): OMOTO Kohei (c/o NTT Intellectual Prope...