US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on July 8 for "Identifier change management apparatus, identifier change management method, and identifier change management program" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,088, issued on July 8, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Identifier change management apparatus, identifier change management method, and identifier change management program" was invented by Shigeru Fujimura (Musashino, Japan), Shigenori Ohashi (Musashino, Japan) and Atsushi Nakadaira (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An identifier change management apparatus according to an embodiment includes: a distributed ledger in which an identifier change program holding a public key and a first hash value; an identifier change key input unit that receives a secret key; a hash chain management unit t...