Quality control system, quality control apparatus, quality control method and computer readable medium
US8219231B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Sep 2, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/30
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A quality control method includes: extracting, from a time series distribution of troubles that have occurred in electronic equipments, a first characteristics of states of occurrence of the troubles; specifying one or more parts included in the electronic equipments, the parts being involved with the troubles; extracting, from another time series distribution of a rate of use corresponding to each of suppliers which supply the specified parts, a second characteristics of the parts; and specifying one or more of the suppliers supplying the parts correlated to the troubles based on a correlation between the extracted first characteristics and the extracted second characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.