Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922699 | System and method for quantitatively representing data objects in vector space | Hinrich Schuetze, Francine Chen, James E. Pitkow, Ed H. Chi, Jun Li +1 more | 2005-07-26 |
| 6920436 | Digital work structure | Mark J. Stefik | 2005-07-19 |
| 6910022 | Usage rights grammar and digital works having usage rights created with the grammar | Mark J. Stefik | 2005-06-21 |
| 6898576 | Method and apparatus for executing code in accordance with usage rights | Mark J. Stefik | 2005-05-24 |
| 6895392 | Usage rights grammar and digital works having usage rights created with the grammar | Mark J. Stefik | 2005-05-17 |
| 6865551 | Removable content repositories | Mark J. Stefik | 2005-03-08 |
| 6714921 | System for controlling the distribution and use of digital works using digital tickets | Mark J. Stefik | 2004-03-30 |
| 6708157 | System for controlling the distribution and use of digital works using digital tickets | Mark J. Stefik | 2004-03-16 |
| 6671711 | System and method for predicting web user flow by determining association strength of hypermedia links | Ed H. Chi, James E. Pitkow | 2003-12-30 |
| 6601021 | System and method for analyzing eyetracker data | Stuart K. Card, Robert Wilson Reeder | 2003-07-29 |
| 6598054 | System and method for clustering data objects in a collection | Hinrich Schuetze, James E. Pitkow, Ed H. Chi, Jun Li | 2003-07-22 |
| 6567797 | System and method for providing recommendations based on multi-modal user clusters | Hinrich Schuetze, James E. Pitkow, Ed H. Chi, Jun Li | 2003-05-20 |
| 6564202 | System and method for visually representing the contents of a multiple data object cluster | Hinrich Schuetze, James E. Pitkow, Ed H. Chi, Jun Li | 2003-05-13 |
| 6509898 | Usage based methods of traversing and displaying generalized graph structures | Ed H. Chi, James E. Pitkow, Rich Gossweller, Jock Douglas Mackinlay, Stuart K. Card | 2003-01-21 |
| 6457028 | Method and apparatus for finding related collections of linked documents using co-citation analysis | James E. Pitkow | 2002-09-24 |
| 6369819 | Methods for visualizing transformations among related series of graphs | James E. Pitkow, Ed H. Chi, Stuart K. Card, Jock Douglas Mackinlay, Rich Gossweller | 2002-04-09 |
| 6286018 | Method and apparatus for finding a set of documents relevant to a focus set using citation analysis and spreading activation techniques | James E. Pitkow | 2001-09-04 |
| 6272507 | System for ranking search results from a collection of documents using spreading activation techniques | James E. Pitkow, Bernardo Huberman | 2001-08-07 |
| 6236971 | System for controlling the distribution and use of digital works using digital tickets | Mark J. Stefik | 2001-05-22 |
| 6182091 | Method and apparatus for finding related documents in a collection of linked documents using a bibliographic coupling link analysis | James E. Pitkow | 2001-01-30 |
| 6151595 | Methods for interactive visualization of spreading activation using time tubes and disk trees | James E. Pitkow, Ed H. Chi, Stuart K. Card, Jock Douglas Mackinlay, Rich Gossweller | 2000-11-21 |
| 6115718 | Method and apparatus for predicting document access in a collection of linked documents featuring link proprabilities and spreading activation | Bernardo Huberman, James E. Pitkow | 2000-09-05 |
| 6098064 | Prefetching and caching documents according to probability ranked need S list | James E. Pitkow | 2000-08-01 |
| 6038574 | Method and apparatus for clustering a collection of linked documents using co-citation analysis | James E. Pitkow, Jock Douglas Mackinlay, Stuart K. Card | 2000-03-14 |
| 5895470 | System for categorizing documents in a linked collection of documents | James E. Pitkow, Ramana B. Rao | 1999-04-20 |