RR

Ralf Rantzau

IBM: 3 patents #1,237 of 9,568Top 15%
📍 San Jose, CA: #509 of 4,297 inventorsTop 15%
🗺 California: #4,350 of 41,698 inventorsTop 15%
Overall (2011): #38,145 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8032924 Access control method and a system for privacy protection Weifeng Chen, Alexandre Evfimievski, Zhen Liu, Anton V. Riabov, Pankaj Rohatgi +3 more 2011-10-04
8020213 Access control method and a system for privacy protection Weifeng Chen, Alexandre V. Evfunievski, Zhen Liu, Anton V. Riabov, Pankaj Rohatgi +3 more 2011-09-13
7866543 Security and privacy enforcement for discovery services in a network of electronic product code information repositories Anthony C. Asher, Steven P. Beier, Christian Clauss, Tyrone W. A. Grandison, Karin Kailing +1 more 2011-01-11