ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,004, issued on April 21, was assigned to Waymo LLC (Mountain View, Calif.).

"Using distributions for characteristics of hypothetical occluded objects for autonomous vehicles" was invented by Khaled Refaat (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure provide for generating distributions for hypothetical or potentially occluded objects. For instance, a location for which to generate one or more distributions may be identified. Observations of road users by perception systems of a plurality of autonomous vehicles may be accessed. Each of these observations may identify a characteristic of one of the r...