ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,468, issued on June 23, was assigned to Amazon Technologies Inc. (Seattle).

"Confidential tuning of pre-trained machine learning models" was invented by Lakshmi Naarayanan Ramakrishnan (Redmond, Wash.), Andrea Olgiati (Gilroy, Calif.), Ankur Mehrotra (Sammamish, Wash.), Karthik Gurumoorthy Subramanya Bharathy (Sammamish, Wash.) and Rakesh Ramakrishnan (Issaquah, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Confidential tuning of pre-trained machine learning models may be provided. A request associated with a model user account to fine-tune a pre-trained machine learning model with model access restrictions may be received. The pre-trained ma...