US Patent Issued to Nippon Telegraph and Telephone on May 27 for "Content contract system, content contract method, and control terminal" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,349, issued on May 27, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"Content contract system, content contract method, and control terminal" was invented by Atsushi Nakadaira (Tokyo), Hiroki Watanabe (Tokyo), Shigeru Fujimura (Tokyo), Shigenori Ohashi (Tokyo), Tatsuro Ishida (Tokyo) and Kota Hidaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blockchain is used to distribute a right to content data. A right holder terminal, an assignee terminal, and a blockchain control terminal stores a blockchain that is synchronized among the right holder terminal, the assignee terminal, and the blockchain control terminal. The blockch...