ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,734, issued on Oct. 14, was assigned to NEC Corp. (Tokyo).

"Data trading device, data trading system, data trading method, and non-transitory computer-readable medium" was invented by Haruna Miwa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A primary-side data trading apparatus is capable of accessing a blockchain and includes a processing unit, a processing information generation unit, a history recording unit, an issuance unit, a protection unit, and a primary-side trading unit. The processing unit generates processed data from original data. The processing information generation unit generates a first transaction including processing inf...