Ulead Systems, Inc.
25Patents
0Active
25Granted
31Portfolio score
Filing activity: Feb 6, 1996 → Jan 12, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6947610B2 | Method of correcting an image with perspective distortion and producing an artificial image with perspective distortion | Physics | 149 | Expired |
| US6788318B2 | Method for manipulating multiple multimedia objects | Physics | 45 | Expired |
| US6121976A | Digital image-processing method for conducting color gradient | Physics | 18 | Expired |
| US6774894B1 | Processing method for rendering a 3-dimensional arrow object | Physics | 11 | Expired |
| US7302538B2 | Storage medium for data backup and method for the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6714317B2 | One-button-triggered image processing unit | Electricity | 10 | Expired |
| US6983081B2 | Method for integration of source object into base image | Physics | 8 | Expired |
| US7236226B2 | Method for generating a slide show with audio analysis | Physics | 6 | Expired |
| US7331020B2 | Method of representing a tree database and storage medium for same | Physics | 6 | Expired |
| US7302000B2 | Method and system for two-pass video encoding using sliding windows | Electricity | 5 | Expired |
| US6876777B2 | Image enhancement method | Physics | 4 | Expired |
| US7276656B2 | Method for music analysis | Physics | 4 | Expired |
| US6810151B2 | Method of performing lens effect using transform mask | Physics | 4 | Expired |
| US6940907B1 | Method for motion estimation | Electricity | 3 | Expired |
| US6839065B2 | Method for producing bump mapping effect for a three dimensional object of a computer graphic | Physics | 3 | Expired |
| US6545674B1 | Method of selectively rendering graphic objects three-dimensional | Physics | 3 | Expired |
| US7095408B1 | System and method for creating three-dimensional graphic object having convex or concave portions | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6987515B2 | Method for smooth transition between pre-rendered mode and real-time mode | Physics | 2 | Expired |
| US7269331B2 | Apparatus and method of displaying video output | Electricity | 2 | Expired |
| US7336888B2 | Method and apparatus for performing continuous capture during recording real-time data | Electricity | 1 | Expired |
| US7227553B2 | Method of digital creation of a multivision filter effect | Physics | 1 | Expired |
| US6505738B2 | CD package | Physics | 1 | Expired |
| US7355930B2 | Method of opening/closing a disk tray in a disk drive | Physics | 0 | Expired |
| US6577444B2 | Method for image-based illumination effect in a three-dimensional scene | Electricity | 0 | Expired |
| US7075529B1 | Method of processing diverse three-dimensional graphic objects | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.