ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,869, issued on March 31, was assigned to AiCare Corp. (San Jose, Calif.).

"Method and apparatus providing an ongoing and real time indicator for survival and major medical events" was invented by Fang Fang (Cupertino, Calif.), Xuzhe Zhi (Placentia, Calif.), Raymond Fangkai Xu (Cupertino, Calif.) and John Fee (Knoxville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods and devices for determining a personalized circadian rhythm identification and prediction from wearable data comprising: obtaining or having obtained data from one or more wearable devices during one or more daytime and nighttime cycles; using a process...