Rambus, Inc. engages in the provision of cutting-edge semiconductor and Internet Protocol products, spanning memory and interfaces to security, smart sensors, and lighting. It operates through the following segments: Memory and Interfaces Division (MID), Cryptography Research (CRD), Emerging Solutions Division (ESD), and Lighting and Display Technologies (LDT). The MID segment focuses on mobile memory, server-based memory, serial link designs, and custom solutions. The CRD segment comprises of chip and system security, anti-counterfeiting, smart ticketing, and mobile payments. The ESD segment includes computational sensing and imaging group in the area of emerging technologies. The LDT segment covers the design, development, and licensing of technologies for lighting. The company was founded by P. Michael Farmwald and Mark A. Horowitz in March 1990 and is headquartered in Sunnyvale, CA.