GENEVA, April 14 -- 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/JP2025/035291) for "METHOD FOR PRODUCING OPTICAL FIBER AND APPARATUS FOR PRODUCING OPTICAL FIBER" on Oct 03, 2025. With publication no. WO/2026/075253, the details related to the patent application was published on Apr 09, 2026.

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