US Patent Issued to NEC on May 26 for "Matching system, matching apparatus, matching method, and program" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,922, issued on May 26, was assigned to NEC Corp. (Tokyo).

"Matching system, matching apparatus, matching method, and program" was invented by Toshiyuki Isshiki (Tokyo), Kengo Mori (Tokyo) and Haruna Fukuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A (secure) matching system includes a user-side apparatus; and a service-side apparatus. The user-side apparatus includes a user key generation part and a registration part that registers a registration ciphertext in the service-side apparatus. The service-side apparatus includes a service key generation part, a conversion key generation part that generates a conversion key for converting a firs...