Headquartered in Milpitas, California, and Leiden, the Netherlands, IXYS enjoys a reputation as a leading power semiconductor manufacturer in the world. Its diverse product base of specialty power semiconductors, integrated circuits and RF power is utilized by more than 2,500 customers worldwide, spanning industrial, transportation, telecommunications, computer, medical, consumer and clean technology markets. Learn more about IXYS's 30-year history, its founder Dr. Nathan Zomer, its division and current growth. The IXYS Integrated Circuits Division, formerly known as Clare, Inc., is an IXYS company that designs, manufactures and sells high-voltage integrated circuits (ICs) and optically isolated solid-state relays for the communications, industrial, power and consumer product markets. OptoMOS®).