ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,104, issued on Dec. 23, was assigned to Bandwidth10 LTD. (Berkeley, Calif.).

"Health-monitoring device wit VCSEL" was invented by Carlos Fernando Rondina Mateus (Berkeley, Calif.), Christopher Chase (Berkeley, Calif.), Michael C. Y. Huang (Taipei, Taiwan), Murat Serbay (Berlin), Stefano Prandoni (Berlin) and Philip Worland (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glucose detection or monitoring system that includes a VCSEL laser with one or more active regions having quantum wells and barrier. The active regions are surrounded by one or more p-n junctions. The one or more active regions can include a selected shape structur...