ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,567, issued on April 15, was assigned to YUKKA MAGIC LLC (Wilmington, Del.).

"Physiological monitoring devices and methods using optical sensors" was invented by Steven Francis LeBoeuf (Raleigh, N.C.), Jesse Berkley Tucker (Youngsville, N.C.), Michael Edward Aumer (Raleigh, N.C.), Steven Matthew Just (Cary, N.C.) and Mark Andrew Felice (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A monitoring device configured to be attached to a subject includes a photoplethysmography (PPG) sensor configured to measure physiological information from the subject, and at least one processor configured to process signals from the PPG sensor to determine h...