AS

Ahmad-Reza Sadeghi

IBM: 1 patents #1,781 of 5,214Top 35%
Overall (2005): #242,685 of 245,428Top 100%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6856977 Method and system for proving ownership of digital data André Adelsbach, Birgit M. Pfitzmann 2005-02-15