ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,851, issued on March 24, was assigned to Altera Corp. (San Jose, Calif.).

"Systems and methods for tracking synthesis optimizations for circuit designs" was invented by Babette Van Antwerpen (Mountain View, Calif.) and Mindy Lam (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for using an integrated circuit design tool to optimize a circuit design for an integrated circuit. Optimizations that affect first circuits in the circuit design and that are performed during synthesis of the circuit design for the integrated circuit are recorded in first records in a database. Second records are recorded in the database...