MR

Michael Ripley

IN Intel: 14 patents #2,910 of 30,777Top 10%
IBM: 2 patents #32,839 of 70,183Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #325,081 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8301881 Proactive forced renewal of content protection implementations C. Brendan S. Traw 2012-10-30
8121952 System, method, and service for delivering multimedia content by means of a permission to decrypt titles on a physical media Bradley Collar, Jeffrey Bruce Lotspiech, Florian Pestoni, Spencer Stephens 2012-02-21
7958350 Proactive forced renewal of content protection implementations C. Brendan S. Traw 2011-06-07
7845015 Public key media key block Carl M. Ellison, Brendan Traw, Gary L. Graunke 2010-11-30
7725945 Discouraging unauthorized redistribution of protected content by cryptographically binding the content to individual authorized recipients Jeffrey Bruce Lotspiech 2010-05-25
7392381 Proactive forced renewal of content protection implementations C. Brendan S. Traw 2008-06-24
7305711 Public key media key block Carl M. Ellison, Brendan Traw, Gary L. Graunke 2007-12-04
7305086 Reducing problems caused by variations in watermark detection results 2007-12-04
7111169 Method and apparatus for content protection across a source-to-destination interface Brendan Traw 2006-09-19
7111175 Method and apparatus for verifying the integrity of a media key block 2006-09-19
7013010 Method and apparatus for optimally formatting media key blocks stored on media with high transfer latencies 2006-03-14
6957343 Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media C. Brendan S. Traw 2005-10-18
6738878 Verifying the integrity of a media key block by storing validation data in the cutting area of media Jeffrey Bruce Lotspiech, Atsushi Ishihara, Taku Kato, Yoshihisa Fukushima 2004-05-18
6105117 Source oriented data block relocation methodology and applications 2000-08-15
5845297 Disk block relocation de-optimization detection methodology and applications Knut S. Grimsrud 1998-12-01