US Patent Issued to Hitachi on June 17 for "Evidence management method, evidence management system, and node" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,621, issued on June 17, was assigned to Hitachi Ltd. (Tokyo).

"Evidence management method, evidence management system, and node" was invented by Tatsuya Sato (Tokyo) and Taku Shimosawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a distributed ledger system including nodes of a plurality of organizations, a smart contract of a distributed ledger node of each of the organizations refers to information made open to the public in a public area, the information being related to an evidence held in a private area of each of the plurality of organizations, and in response to a trigger event of the information's meeting a given condition, execu...