ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,277, issued on Dec. 23, was assigned to Cadence Design Systems Inc. (San Jose, Calif.).

"Cell-based pin access location generation" was invented by Gracieli Posser (Austin, Texas), Mateus Paiva Fogaca (Porto Alegre, Brazil), Wing-Kai Chow (Austin, Texas), Mehmet Can Yildiz (Austin, Texas) and Charles Jay Alpert (Cedar Park, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments provide for pin access location generation for one or more cells of a circuit design, which may be part of electronic design automation (EDA). Some embodiments facilitate pin access location generation by generating and using multiple graphs, which enable su...