ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,943, issued on Nov. 18, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Recommendation engine using fully homomorphic encryption" was invented by Varsharani Hawanna (Solapur, India), Mahesh Shivram Paradkar (Pune, India), Amrin Maria Khan Adawadkar (Pune, India), Prashant V Mestri (Pune, India), Aaliyah Ahmed (Pune, India), Radha Shridhar Marathe (Pune, India), Vedangi Rajesh Kirtane (Nashik, India) and Neha Tirumalasetti (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An approach is disclosed that receives a request from a requestor over a computer network, the request including a set of encrypted user data that i...