US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on April 15 for "Certificate issuance support system, certificate issuance support method and program" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,911, issued on April 15, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Certificate issuance support system, certificate issuance support method and program" was invented by Ryohei Suzuki (Tokyo) and Tetsuya Okuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A certificate issuance support system includes a certificate application device in a first organization for applying to an authentication station for issuance of an OV certificate; and an existence assurance device in a second organization for guaranteeing the existence of the first organization. The existence assurance device imparts a first signature to first informatio...