Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CI

Cristian M. Ilac

Amazon: 35 patents #236 of 19,158Top 2%
Microsoft: 17 patents #2,200 of 40,388Top 6%
Sammamish, WA: #56 of 2,558 inventorsTop 3%
Washington: #1,024 of 76,902 inventorsTop 2%
Overall (All Time): #50,544 of 4,157,543Top 2%
52 Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
9197409 Key derivation techniques Gregory Branchek Roth, Bradley Jeffery Behm, Eric D. Crahen, Nathan R. Fitch, Eric Jason Brandwine +1 more 2015-11-24
9178701 Parameter based key derivation Gregory Branchek Roth, Bradley Jeffery Behm, Eric D. Crahen, Nathan R. Fitch, Eric Jason Brandwine +1 more 2015-11-03
9106405 Multi-user secret decay Gregory Branchek Roth 2015-08-11
9058497 Cryptographic key management Vijay G. Bharadwaj, Niels T. Ferguson, Carl M. Ellison, Magnus Bo Gustaf Nyström, Dayi Zhou +3 more 2015-06-16
9038148 Secret variation for network sessions Gregory Branchek Roth, Nicholas Alexander Allen 2015-05-19
9032500 Integrating operating systems with content offered by web based entities Girish Chander, Tanmoy Dutta, Bronislav Kavsan, Ziquian Li, Andreas K. Luther +2 more 2015-05-12
8996860 Tolerance factor-based secret decay Gregory Branchek Roth, Nicholas Alexander Allen 2015-03-31
8892865 Multiple authority key derivation Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2014-11-18
8885833 One-time recovery credentials for encrypted data access Benjamin Nick, Magnus Bo Gustaf Nyström, Niels T. Ferguson, Nils Dussart 2014-11-11
8881256 Portable access to auditing information Gregory Branchek Roth, James E. Scharf, Jr., Nathan R. Fitch, Graeme David Baer, Brian Irl Pratt +1 more 2014-11-04
8856957 Federated identity broker Gregory Branchek Roth, Kevin Ross O'Neill, Eric Jason Brandwine, Eric D. Crahen 2014-10-07
8799630 Advanced security negotiation protocol Dave M. McPherson, Tanmoy Dutta, Liqiang Zhu 2014-08-05
8745710 Automated secret renegotiation Gregory Branchek Roth 2014-06-03
8745386 Single-use authentication methods for accessing encrypted data Octavian T. Ureche, Nils Dussart, Charles G. Jeffries, Vijay G. Bharadwaj, Innokentiy Basmov +2 more 2014-06-03
8739308 Source identification for unauthorized copies of content Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2014-05-27
8572716 Integrating operating systems with content offered by web based entities Girish Chander, Tanmoy Dutta, Bronislav Kavsan, Ziquan Li, Andreas K. Luther +2 more 2013-10-29
8528058 Native use of web service protocols and claims in server authentication Liqiang Zhu, Gennady Medvinsky, Tanmoy Dutta, Andreas K. Luther, John P. Shewchuk 2013-09-03
8490162 System and method for recognizing malicious credential guessing attacks Stefan Popoveniuc, Gregory Branchek Roth, Eric Jason Brandwine 2013-07-16
8462955 Key protectors based on online keys Octavian T. Ureche, Nils Dussart, Michael Halcrow, Charles G. Jeffries, Nathan T. Lewis +3 more 2013-06-11
8281368 Communicating a password securely Raghavendra Malpani, Tanmoy Dutta, Klaus Schultz 2012-10-02
8250379 Secure storage of temporary secrets Stefan Thom 2012-08-21
8132246 Kerberos ticket virtualization for network load balancers Paul J. Leach, Tarek B. Kamel, Liqiang Zhu 2012-03-06
7913084 Policy driven, credential delegation for single sign on and secure access to network resources Gennady Medvinsky, Costin Hagiu, John E. Parsons, Mohamed Emad El Din Fathalla, Paul J. Leach +1 more 2011-03-22
7895590 Update at shutdown Gary Henderson, David A. Switzer, Chung Yiu Chow, Cathelijne Bertels, Richard Swaney 2011-02-22
7810143 Credential interface David M. Ruzyski, James H. Hong, Brian K. McNeil, Chris Guzak, Brian D. Wentz +7 more 2010-10-05