Anonymization processing device, anonymization processing method, and program
US10817621B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2016 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | May 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q50/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An anonymization processing device is provided that anonymizes input data and outputs anonymized output data. The device receives the input data, anonymizes the input data, to generate anonymized data corresponding to the input data, and stores the anonymized data in a first memory. When a plurality of anonymized data items stored in the memory satisfy an anonymity index, the device generates and output a plurality of output data items corresponding to the anonymized data items, respectively, and deletes the anonymized data items from the first memory. The device further generates a plurality of the anonymization patterns based on the anonymized data items, stores the anonymization patterns in a second memory, and when the information items included in the anonymized data stored in the first memory is equivalent to each of the information items included in the anonymization pattern, respectively, the device outputs the output data from the anonymized data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.