NCR Canada Ltd.
7Patents
0Active
7Granted
27Portfolio score
Filing activity: Oct 13, 1981 → Aug 5, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4564752A | Concurrent, image-based, reject-re-entry system and method | Physics | 94 | Expired |
| US4595935A | System for detecting defective thermal printhead elements | Performing Operations; Transporting | 58 | Expired |
| US4613986A | Digital filter for enhancement of document images | Electricity | 24 | Expired |
| US4399467A | Method and apparatus for image data compression and decompression | Electricity | 24 | Expired |
| US4625216A | Thermal printhead life extension technique | Performing Operations; Transporting | 14 | Expired |
| US4618254A | Automatic light control system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4493253A | Variable impact printing means | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.