ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,653, issued on Dec. 9, was assigned to Roku Inc. (San Jose, Calif.).

"Personalized retrieval system" was invented by Kapil Kumar (London), Abhishek Majumdar (Santa Clara, Calif.), Danish Shaikh (Daly City, Calif.), Nitish Aggarwal (Sunnyvale, Calif.), Srimaruti Manoj Nimmagadda (Saratoga, Calif.) and Aniruddha Das (Newark, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are system, method and/or computer program product embodiments that retrieve items for a user based on a query using a two-tower deep machine learning model. An example embodiment provides input to a context tower, wherein the input includes the query and one or more o...