GENEVA, Nov. 5 -- MICROSOFT TECHNOLOGY LICENSING, LLC (One Microsoft WayRedmond, Washington 98052) filed a patent application (PCT/US2025/025284) for "ANTIRESONANT HOLLOW CORE FIBER WITHOUT ROTATIONAL SYMMETRY" on Apr 18, 2025. With publication no. WO/2025/226525, 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): FOKOUA, Eric Rodrigue Numkam (c/o Microsoft Technology Licensing LLCOne Microsoft WayRedmond, Washington 98052), BAWN, Simon Michael (c/o Microsoft Technology Licensing, LLCOne Microsoft WayRedmond, Washington 9805...