PP

Peter L. T. Pirolli

CH Contentguard Holdings: 13 patents #1 of 16Top 7%
Xerox: 2 patents #118 of 811Top 15%
📍 San Francisco, CA: #5 of 979 inventorsTop 1%
🗺 California: #51 of 26,868 inventorsTop 1%
Overall (2005): #327 of 245,428Top 1%
15
Patents 2005

Issued Patents 2005

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6963859 Content rendering repository Mark J. Stefik 2005-11-08
6959290 Method and apparatus for tracking states of digital works Mark J. Stefik 2005-10-25
6957194 Method for printing digital works Mark J. Stefik 2005-10-18
6957193 Repository with security class and method for use thereof Mark J. Stefik 2005-10-18
6944600 System for controlling the distribution and use of digital works using digital tickets Mark J. Stefik 2005-09-13
6941321 System and method for identifying similarities among objects in a collection Hinrich Schuetze, Francine Chen, James E. Pitkow, Ed H. Chi, Jun Li 2005-09-06
6934693 System for controlling the distribution and use of digital works Mark J. Stefik 2005-08-23
6928419 Method and apparatus for repackaging portions of digital works as new digital works Mark J. Stefik 2005-08-09
6925448 Usage rights grammar and digital works having usage rights created with the grammar Mark J. Stefik 2005-08-02
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