ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,035, issued on June 17, was assigned to Amazon Technologies Inc. (Seattle).

"Delegated fine-grained access control for data lakes" was invented by Krishnaditya Kandregula (Redmond, Wash.), Douglas Brian Terry (San Francisco), Sachet Saurabh (Sammamish, Wash.), Vinay Singh (Sammamish, Wash.), Michael Sklar Chess (San Francisco), Grayson Osburn Vigeant Clendenon (Mountain View, Calif.), Frank Benkstein (Berlin), Mehul A. Shah (Saratoga, Calif.) and Abhijit Uday Pujare (Dublin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Respective delegation records indicating that a first access controller and a second access controller have been authorized...