GENEVA, July 8 -- NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1, Otemachi 1-chome, Chiyoda-ku, Tokyo1008116), 日本電信電話株式会社 (東京都千代田区大手町一丁目5番1号) filed a patent application (PCT/JP2023/047199) for "RECEPTION DEVICE, TRANSMISSION DEVICE, OPTICAL COMMUNICATION SYSTEM, AND ZERO DISPERSION WAVELENGTH ESTIMATION METHOD" on Dec 28, 2023. With publication no. WO/2025/141843, the details related to the patent application was published on Jul 03, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is ...