CK

Charles W. Kaufman

EC Emc Ip Holding Company: 20 patents #182 of 4,608Top 4%
DE Digital Equipment: 17 patents #21 of 2,100Top 1%
Microsoft: 15 patents #2,618 of 40,388Top 7%
IBM: 14 patents #8,004 of 70,183Top 15%
DP Dell Products: 3 patents #1,932 of 6,820Top 30%
LD Lotus Development: 2 patents #1 of 44Top 3%
CS Cabletron Systems: 1 patents #92 of 189Top 50%
CC Compaq Computer: 1 patents #854 of 1,604Top 55%
📍 Redmond, WA: #39 of 8,547 inventorsTop 1%
🗺 Washington: #480 of 76,902 inventorsTop 1%
Overall (All Time): #24,226 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 26–50 of 77 patents

Patent #TitleCo-InventorsDate
9124431 Evidence-based dynamic scoring to limit guesses in knowledge-based authentication Stuart Schechter, Yordan Rouskov, Cormac Herley 2015-09-01
8839375 Managing distributed operating system physical resources Eric Michael Radzikowski, Shailesh Padmakar Joshi, Asad Yaqoob, Igal Figlin 2014-09-16
8706635 Use of licensed content without identification thereof 2014-04-22
8555061 Transparent code Jeffrey Cooperstein, Raja Krishnaswamy 2013-10-08
8468579 Transformation of sequential access control lists utilizing certificates Carl M. Ellison, Paul J. Leach, Butler W. Lampson, Melissa W. Dunn, Ravindra Nath Pandya 2013-06-18
8402532 Host control of partial trust accessibility Michael D. Downen, Raja Krishnaswamy, James S. Miller, Stephen Fisher 2013-03-19
8291088 Method and system for providing single sign-on user names for web cookies in a multiple user information directory environment Jane B. Marcus, Scott Davidson, Russell L. Holden, Srinivasa R. Kolaparthi 2012-10-16
8225390 Licensing protected content to application sets Kenneth D. Ray, Pankaj Mohan Kamat, Paul J. Leach, William R. Tipton, Andrew Herron +5 more 2012-07-17
8082442 Securely sharing applications installed by unprivileged users Jonathan White Keljo 2011-12-20
8011008 Application security model Michael D. Downen, Raja Krishnaswamy, Arun Moorthy 2011-08-30
8006295 Domain ID service Carl M. Ellison, Paul J. Leach, Butler W. Lampson, Melissa W. Dunn, Ravindra Nath Pandya 2011-08-23
7949880 Secure remote password validation Mark A. Champine 2011-05-24
7926105 Using security-related attributes Karen Elizabeth Corby, Mark Alcazar, Viresh Ramdatmisier, Ariel Jorge Kirsman, Andre A. Needham +7 more 2011-04-12
7925752 System for providing single sign-on user names for web cookies in a multiple user information directory environment Jane B. Marcus, Scott Davidson, Russell L. Holden, Srinivasa R. Kolaparthi 2011-04-12
7900248 Access control negation using negative groups Carl M. Ellison, Paul J. Lach, Butler W. Lampson, Melissa W. Dunn, Ravindra Nath Pandya 2011-03-01
7669058 Secure remote password validation Mark A. Champine 2010-02-23
7603712 Protecting a computer that provides a Web service from malware Marc E. Seinfeld, Adrian Marinescu, Jeffrey Cooperstein, Michael Kramer 2009-10-13
7480718 Method for providing single sign-on user names for Web cookies in a multiple user information directory environment Jane B. Marcus, Scott Davidson, Russell L. Holden, Srinivasa R. Kolaparthi 2009-01-20
7360082 System and method for downloading security context elements governing execution of downloadable and distributable agents Suze Berthold, John D. Immerman, Carl J. Kraenzel 2008-04-15
6687825 Data processing system and method for protecting data in a hard drive utilizing a signature device David Carroll Challener, Daryl Cromer, Mark Charles Davis, Dhruv M. Desai, Hernando Ovies +1 more 2004-02-03
6178508 System for controlling access to encrypted data files by a plurality of users 2001-01-23
6094721 Method and apparatus for password based authentication in a distributed system Alan D. Eldridge 2000-07-25
6061799 Removable media for password based authentication in a distributed system Alan D. Eldridge 2000-05-09
6052469 Interoperable cryptographic key recovery system with verification by comparison Donald B. Johnson, Paul A. Karger, Stephen M. Matyas, David R. Safford, Marcel Mordechay Yung +1 more 2000-04-18
5924122 Method for error recovery spinlock in asymmetrically accessed multiprocessor shared memory Wayne Cardoza, Kathleen D. Morse, Richard B. Gillett, Jr. 1999-07-13