Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873944 | Method of real time collision detection between geometric models | Pietro Buttolo | 2005-03-29 |
| 6801187 | System and method of interactive evaluation and manipulation of a geometric model | Pietro Buttolo, Yifan Chen | 2004-10-05 |
| 6760113 | Crystal based fringe generator system | Fang Chen, James Stewart Rankin, II, Mumin Song | 2004-07-06 |
| 5973678 | Method and system for manipulating a three-dimensional object utilizing a force feedback interface | Yifan Chen, Pietro Buttolo | 1999-10-26 |
| 5903458 | System and method for forming geometric features using global reparametrization | Yifan Chen | 1999-05-11 |
| 5898438 | Texture mapping of photographic images to CAD surfaces | Yifan Chen | 1999-04-27 |
| 5878174 | Method for lens distortion correction of photographic images for texture mapping | Yifan Chen | 1999-03-02 |
| 5731816 | System and method for direct modeling of fillets and draft angles | Yifan Chen | 1998-03-24 |
| 5694013 | Force feedback haptic interface for a three-dimensional CAD surface | Yihan Chen | 1997-12-02 |
| 5627646 | Method for locating flaws in a smooth surface of an object | Yifan Chen | 1997-05-06 |
| 5414647 | Non-contact method and system for building CAD models by integrating high density data scans | Samuel E. Ebenstein, Gregory H. Smith | 1995-05-09 |