ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,657, issued on Sept. 22, was assigned to MICROSOFT TECHNOLOGY LICENSING LLC (Redmond, Wash.).

"Hybrid machine learning model environment with homomorphic encryption" was invented by Yehonathan Refael Kalim (Herzeliya, Israel), Adam Hakim (Shoham, Israel) and Nishanth Chandran (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The technology described herein is related to a hybrid neural network that divides operations of a neural network layer between a server and a client device. In an aspect, one or more liner operations of a neural network layer are performed on the client, while non-linear operations, such as an activation functio...