ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,811, issued on Dec. 2, was assigned to Sonova AG (Staefa, Switzerland).

"Hearing device, hearing device-based systems and methods for monitoring glucose" was invented by Maryam Mostafaei (Wallisellen, Switzerland) and Anne Thielen (Stafa, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illustrative hearing system may include an optical waveguide at least partially positioned within an ear canal of a user and having a sensing region located between a first end and a second end of the optical waveguide. A light source may be configured to emit light into the optical waveguide at the first end, such that a first portion of the light may ex...