MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202547097201 A) filed by Sumitomo Electric Industries, Ltd., Osaka, Japan, on Oct. 8, for 'method for manufacturing multicore optical fiber and multicore optical fiber preform.'
Inventor(s) include Nagashima Takuji; and Nomura Takahiro.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "This method for manufacturing a multicore optical fiber includes: a step for inserting multiple glass rods into multiple holes provided in a glass tube; a step for sealing a first end of the glass tube; and a step for decompressing the inside of the multiple holes f...