LOS ALTOS, Calif. -- Rambus Inc. (Nasdaq:RMBS), one of the world's premier technology licensing companies specializing in high-speed chip interfaces, today announced that it has reached 400 issued patents from the U.S. Patent and Trademark Office, and foreign patent offices. Rambus's patent portfolio covers fundamental inventions made in the area of high-speed signaling including those underlying all modern DRAM memory products.

Rambus is a leading developer of technologies and solutions addressing today's challenging chip interface designs. Since its founding in 1990, Rambus has focused on advancing system performance through innovations in logic and memory interfaces, controller architecture, high-speed parallel and serial links, and advanced system design. The result is a broad portfolio of innovations that enables semiconductor manufacturers and system designers to achieve the highest levels of performance - providing consumers with products delivering life-like digital images, seamless connectivity and blazingly fast operating speeds. Further, Rambus's innovations allow its customers to lower system costs, mitigate risk, and reduce time to market through silicon-proven designs.

"Rambus has a rich history of designing and developing some of the world's most advanced signaling technologies," said Kent Richardson, vice president of Intellectual Property at Rambus. "It is rewarding to reach this milestone which recognizes the superior research and development work and industry contributions made by our Rambus engineering team."

Rambus Inc.