PDF Solutions, Inc. engages in the provision of an end-to-end analytics platform that empowers engineers and data scientists across the semiconductor ecosystem and data analytics for process-design optimization and yield enhancement. Its products, services, and platforms include proprietary software, physical intellectual property (IP) for integrated circuit (IC) designs, electrical measurement hardware tools, proven methodologies, and professional services. The company was founded by John Kachig Kibarian and Kimon W. Michaels in 1991 and is headquartered in Santa Clara, CA.