Patent · US Active

Control method, information processing device, management system, and recording medium

US10839625B2 · kind B2 · utility

1Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2019
Grant dateNov 17, 2020
Priority date
Expiry dateFeb 27, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C9/00912
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A control method of controlling, using a distributed ledger, locking or unlocking of one or more storage units, in each of which an item is storable, includes: operating a first smart contract and one or more second smart contracts by a code, stored in the distributed ledger, being executed by a computer, the first smart contract managing the one or more second smart contracts that are in one-to-one correspondence with the one or more storage units; controlling, by each of the one or more second smart contracts, locking or unlocking of a corresponding one of the one or more storage units, the controlling being performed under the management by the first smart contract; and controlling, by the first smart contract, whether to place each of the one or more second smart contracts under the management.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.