ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,520, issued on Sept. 30, was assigned to PDF SOLUTIONS INC. (Santa Clara, Calif.).

"Systems, devices, and methods for performing a non-contact electrical measurement on a cell, non-contact electrical measurement cell vehicle, chip, wafer, die, or logic block" was invented by Indranil De (Alameda, Calif.), Marian Mankos (San Jose, Calif.), Dennis Ciplickas (San Jose, Calif.), Christopher Hess (Belmont, Calif.), Jeremy Cheng (San Jose, Calif.), Balasubramanian Murugan (San Ramon, Calif.) and Qi Hu (Cypress, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for performing a non-contact electrical measurement (NCEM) on...