Scan-Optics Inc.
14Patents
0Active
14Granted
30Portfolio score
Filing activity: May 14, 1975 → Jun 3, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5850480A | OCR error correction methods and apparatus utilizing contextual comparison | Physics | 254 | Expired |
| US4628532A | Alphanumeric handprint recognition | Physics | 100 | Expired |
| US4097847A | Multi-font optical character recognition apparatus | Physics | 75 | Expired |
| US4813077A | Sales transaction record processing system and method | Physics | 59 | Expired |
| US4817179A | Digital image enhancement methods and apparatus | Physics | 36 | Expired |
| US6212130A | Method and apparatus for plural document detection | Physics | 27 | Expired |
| US5386482A | Address block location method and apparatus | Physics | 19 | Expired |
| US4120049A | Line memory | Physics | 14 | Expired |
| US4171129A | Document transport | Performing Operations; Transporting | 14 | Expired |
| US6970267B1 | Gray scale optical mark reader | Physics | 13 | Expired |
| US4122443A | Character position detector | Physics | 11 | Expired |
| US4524963A | Document handling device | Performing Operations; Transporting | 10 | Expired |
| US4385758A | Bead chain stacker | Performing Operations; Transporting | 4 | Expired |
| US7389152B2 | High speed image scanner | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.