US Patent Issued to Visa International Service Association on Nov. 25 for "Secret shared database joins using sorting" (California, Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,661, issued on Nov. 25, was assigned to Visa International Service Association (San Francisco).

"Secret shared database joins using sorting" was invented by Peter Rindal (Sunnyvale, Calif.), Saikrishna Badrinarayanan (Fremont, Calif.), Srinivasan Raghuraman (Cambridge, Mass.) and Gayathri Annapurna Garimella (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments can perform a database join that allows secret shared database join between a database table with a unique matching column and a database table with a non-unique matching column (i.e., contains unbounded repeats of values)."

The patent was filed on March 17, 2023, under A...