Information processing apparatus and method for blockchain-based document management
US11528385B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 2021 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Feb 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/64
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information processing apparatus which cooperates with a management service for receiving a document via a network and storing the document and a blockchain service for managing information about the document on a block-by-block basis, defining an association with a previous and/or subsequent block for each block, and then managing a plurality of blocks with a plurality of nodes includes an editing unit configured to perform editing processing on a source document to generate a new document, a transmission unit configured to transmit the generated document to the management service, and a cooperation unit configured to register information indicating that the source document was edited with the blockchain service, wherein, in response to the editing unit being confirmed to be a service trusted by the blockchain service, the information indicating that the source document was edited is registered with the blockchain service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.