ALEXANDRIA, Va., July 30 -- United States Patent no. 12,373,168, issued on July 29, was assigned to XILINX INC. (San Jose, Calif.).
"Pre-carry data processing apparatus and method" was invented by Vijay Kumar Bansal (Hyderabad, India), Vindhyeshwari Kumar Kashyap (Gopanpally, India) and Mahesh Narain Shukla (Hyderabad, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed approaches for accumulating pre-carry data include initializing hold sum to a sum of a LSB of the first pre-carry word of an input stream and an MSB of a second pre-carry word by a pre-carry processing circuit. For successive pre-carry words, the LSB of pre-carry word i and the MSB of pre-carry word i+1 are summed into a next sum. ...