Charlton E. Lui
62Patents
21h-index
52Co-inventors
87Inventor score
Filing activity: Jan 5, 1999 → Apr 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6664991B1 | Method and apparatus for providing context menus on a pen-based device | Physics | 215 | Expired |
| US6720980B1 | Method and system for embedding voice notes | Physics | 174 | Expired |
| US7533352B2 | Method and apparatus for providing context menus on a hand-held device | Physics | 136 | Expired |
| US6396505B1 | Methods and apparatus for detecting and reducing color errors in images | Physics | 119 | Expired |
| US6788815B2 | System and method for accepting disparate types of user input | Physics | 116 | Expired |
| US7430508B2 | Method and system of handling the selection of alternates for recognized words | Physics | 92 | Active |
| US6727830B2 | Time based hardware button for application launch | Physics | 68 | Expired |
| US6339426B1 | Methods, apparatus and data structures for overscaling or oversampling character feature information in a system for rendering text on horizontally striped displays | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6559869B1 | Adaptive auto-scrolling merge for hand written input | Physics | 56 | Expired |
| US6833827B2 | System and method for automatically switching between writing and text input modes | Physics | 46 | Expired |
| US7299424B2 | Lasso select | Physics | 46 | Expired |
| US7137076B2 | Correcting recognition results associated with user input | Physics | 44 | Expired |
| US6552719B2 | System and method for automatically switching between writing and text input modes | Physics | 42 | Expired |
| US6836759B1 | Method and system of handling the selection of alternates for recognized words | Physics | 40 | Expired |
| US7259753B2 | Classifying, anchoring, and transforming ink | Physics | 35 | Expired |
| US6256009A | Method for automatically and intelligently scrolling handwritten input | Physics | 34 | Expired |
| US6487569B1 | Method and apparatus for organizing notes on a limited resource computing device | Physics | 27 | Expired |
| US6897853B2 | Highlevel active pen matrix | Physics | 26 | Expired |
| US6754386B1 | Method and system of matching ink processor and recognizer word breaks | Physics | 25 | Expired |
| US6683600B1 | Adaptive input pen mode selection | Physics | 25 | Expired |
| US6816615B2 | Implicit page breaks for digitally represented handwriting | Physics | 21 | Expired |
| US6760696B1 | Fast start voice recording and playback on a digital device | Electricity | 19 | Expired |
| US6850228B1 | Universal file format for digital rich ink data | Physics | 19 | Expired |
| US7050632B2 | Handwriting layout analysis of freeform digital ink input | Physics | 18 | Expired |
| US7168038B2 | System and method for scaling and repositioning drawings | Physics | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.