US Patent Issued to Mitsubishi Electric on July 28 for "Issuance system and certificate issuance server" (Japanese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,628, issued on July 28, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Issuance system and certificate issuance server" was invented by Yumiko Kawai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A certificate issuance server includes a storage unit that stores a preshared key, a communication unit that receives a signature and a time stamp transmitted by an information processing device, a verification unit that verifies the signature by using a public key corresponding to a secret key and verifies the time stamp, and an issuance unit that issues an electronic certificate when it is certified that the preshared key had been stored in th...