MICROTEK INTERNATIONAL INC.
64Patents
11Active
64Granted
39Portfolio score
Filing activity: Apr 6, 1989 → Aug 2, 2017 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5814809A | Apparatus for optically scanning images using transmissive and reflective light sources | Electricity | 123 | Expired |
| US6389183B1 | Contact image sensor hand-held scanner | Electricity | 97 | Expired |
| US5574274A | Transmissive/reflective optical scanning apparatus | Electricity | 34 | Expired |
| US5907413A | Contact image sensor flat bed scanner | Electricity | 30 | Expired |
| US5138496A | Adjusting mechanism for a lens | Physics | 30 | Expired |
| US5986774A | Transparency adapter for flatbed scanner | Electricity | 28 | Expired |
| US5812285A | Flatbed-type scanner having a cover for an original document which can adjust height automatically | Electricity | 24 | Expired |
| US5818611A | Scanning device | Electricity | 19 | Expired |
| US5705805A | Transmissive/reflective optical scanning apparatus | Electricity | 18 | Expired |
| US5760412A | Method and apparatus for sensing the presence of a line of data from a document on a transparent surface | Electricity | 16 | Expired |
| US6084691A | Multi-purpose scanner integrated into a computer | Electricity | 15 | Expired |
| US6069715A | Image scanning device | Electricity | 15 | Expired |
| US7548356B2 | Scanner with removable data storage media | Electricity | 13 | Active |
| US5535021A | Scanner light diffuser | Electricity | 13 | Expired |
| US5929435A | Apparatus and method for automatically detecting and optically scanning graphic matter | Electricity | 12 | Expired |
| US6608707B1 | Scanner with removable data storage media | Electricity | 11 | Expired |
| US5907411A | Multi-resolution transmissive and reflective optical scanner | Electricity | 11 | Expired |
| US6509981B1 | Optical media access device with image scanning function | Electricity | 10 | Expired |
| US5808679A | Camera lens assembly using rotatable conductive plate connectors | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5122911A | Filter lens device for optical color scanner | Physics | 9 | Expired |
| US6239883A | High resolution scanner | Electricity | 8 | Expired |
| US6316766A | Scanner with light directing channel | Electricity | 8 | Expired |
| US6081363A | Optical length adjusting device | Electricity | 7 | Expired |
| US6327056A | Image scanner with image correction function | Electricity | 7 | Expired |
| US7199909B2 | Scanner projection system | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.