1. M. S. Elrabaa "Digital integrated circuit testing and characterization system and method ," United States Patent # US 9,188,627, Nov. 17 2015.

  2. M. S. Elrabaa "HIGH-FREQUENCY DIGITALLY CONTROLLED OSCILLATOR," United States Patent # US 8,610,511 B1, Dec. 7 2013.

  3. M. S. Elrabaa “Inter-clock domain data transfer FIFO circuit” United States Patent # US US8352774 B2, Jan 8, 2013.

  4. M. S. Elrabaa “Two-phase return-to-zero asynchronous transceiver” United States Patent # US 8351489 B2, Jan 8, 2013.

  5. M. S. Elrabaa “High-frequency digitally controlled oscillator” United States Patent # US 8610511 B1, Dec 17, 2013.

  6. M. S. Elrabaa “DIGITAL INTEGRATED CIRCUIT TESTING AND CHARACTERIZATION SYSTEM AND METHOD” United States Patent Application # US20130116961 A1, May 17, 2012.

  7. M. S. Elrabaa and M. I. Elmasry, "Low-Power BiCMOS/ECL SRAM" United States Patent # 5,602,774, awarded in Feb. 11th, 1997.

  8. M. S. Elrabaa, M. I. Elmasry, and D. S. Malhi, "A BiCMOS Transceiver (Driver and Receiver) for Gigahertz Operation" United States Patent # 5,966,032, awarded in Oct. 12th, 1999.