I.R.I.S
28Patents
26Active
28Granted
49Portfolio score
Filing activity: Aug 31, 1979 → Jun 10, 2022 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4256945A | Alternating current electrically resistive heating element having intrinsic temperature control | Electricity | 458 | Expired |
| US8811751B1 | Method and system for correcting projective distortions with elimination steps on multiple levels | Physics | 14 | Active |
| US7623221B2 | Apparatus for and method of determining distance | Physics | 14 | Active |
| US8068684B2 | Compression of digital images of scanned documents | Physics | 10 | Active |
| US8897600B1 | Method and system for determining vanishing point candidates for projective correction | Physics | 8 | Active |
| US8411940B2 | Method for fast up-scaling of color images and method for interpretation of digitally acquired documents | Physics | 6 | Active |
| US9798943B2 | Optical character recognition method | Physics | 5 | Active |
| US7574783B2 | Pull tab of slide fastener slider | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8915101B2 | Warp knitted fabric manufacturing method | Textiles; Paper | 4 | Active |
| US9058517B1 | Pattern recognition system and method using Gabor functions | Physics | 4 | Active |
| US8913836B1 | Method and system for correcting projective distortions using eigenpoints | Physics | 3 | Active |
| US8666185B2 | Compression of digital images of scanned documents | Physics | 3 | Active |
| US9183636B1 | Line segmentation method | Physics | 2 | Active |
| US8331706B2 | Compression of digital images of scanned documents | Physics | 2 | Active |
| US8463054B2 | Hierarchical OCR using decision tree and nonparametric classifier | Physics | 2 | Active |
| US10395393B2 | Method for assessing the quality of an image of a document | Physics | 2 | Active |
| US11386682B2 | Image processing system and an image processing method | Physics | 1 | Active |
| US8786918B2 | Autonomous portable scanners | Electricity | 1 | Active |
| US9311558B2 | Pattern recognition system | Physics | 1 | Active |
| US9836646B2 | Method for identifying a character in a digital image | Physics | 1 | Active |
| US11188779B2 | Image processing apparatus | Physics | 1 | Active |
| US8995780B2 | Compression of digital images of scanned documents | Physics | 1 | Active |
| US9679179B2 | Method for processing information from a hand-held scanning device | Physics | 1 | Active |
| US9692929B2 | Method and system for correction of an image from a hand-held scanning device | Electricity | 1 | Active |
| US11551461B2 | Text classification | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.