Dallas-Fort Worth ranked No. 11 for patents out of 250 metros. Patents granted include: State Farm's autonomous vehicle software version assessment, Toyota's automatic brake application for one-pedal driving,The Pure Company Global's air purifier, Integrity Bio-Chemicals' stabilization of clay-containing soils, STMicroelectronics audio playback using RFID, IBM's signatures to manage "derelict assets" of an IT environment, and Secure Access' authentication of electronic content. Plus, unassigned patents for an eye-tracking wearable computer and for treating oncological disorders using Coenzyme Q10.