GENEVA, Dec. 1 -- SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome, Chuo-ku, Osaka-shi, Osaka5410041), 住友電気工業株式会社 (大阪府大阪市中央区北浜四丁目５番３３号) filed a patent application (PCT/JP2025/015569) for "GLASS MATERIAL AND OPTICAL FIBER" on Apr 22, 2025. With publication no. WO/2025/243759, the details related to the patent application was published on Nov 27, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inv...