Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CI

Cristian M. Ilac — 52 Patents

Amazon: 35 patents #238 of 19,158Top 2%
Microsoft: 17 patents #2,212 of 40,388Top 6%
Sammamish, WA: #56 of 2,558 inventorsTop 3%
Washington: #1,031 of 76,902 inventorsTop 2%
Overall (All Time): #50,240 of 4,157,543Top 2%
52 Patents All Time
Cristian M. Ilac has been granted 52 US patents while listed as an inventor at Amazon. The first was granted in 2009 and the most recent in February 2024. Cristian M. Ilac ranks #50,240 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Cristian M. Ilac in Sammamish, WA, US.

Patents per Year

Patents granted per year, 2009 to 2024Bar chart with a peak of 10 patents in 2015.peak 102009: 2 patents20092010: 1 patents2011: 2 patents20112012: 3 patents2013: 4 patents20132014: 8 patents2015: 10 patents20152016: 3 patents2017: 3 patents20172018: 4 patents2019: 6 patents20192020: 3 patents2021: 1 patents20212022: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11914696 Quorum-based access control management Dean H Saxe, Conor P. Cahill, Dennis Tighe, Jonathan Robert Hurd, Brian Mead Tyler +1 more 2024-02-27 $290,362,000
11356457 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Eric D. Crahen 2022-06-07 $218,376,000
11146541 Hierarchical data access techniques using derived cryptographic material Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2021-10-12 $338,640,000
10721238 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Eric D. Crahen 2020-07-21 $302,763,000
10652232 Adaptive timeouts for security credentials Gregory Branchek Roth, Nicholas Alexander Allen 2020-05-12 $151,825,000
10621366 Chained security systems Matthew John Campagna, Gregory Alan Rubin, Eric Jason Brandwine, Matthew Shawn Wilson 2020-04-14 $155,627,000
10454922 System and method for recognizing malicious credential guessing attacks Stefan Popoveniuc, Gregory Branchek Roth, Eric Jason Brandwine 2019-10-22 $94,190,000
10447678 Automated secret renegotiation Gregory Branchek Roth 2019-10-15 $86,471,000
10425223 Multiple authority key derivation Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffrey Behm, Eric Jason Brandwine 2019-09-24 $124,526,000
10356062 Data access control utilizing key restriction Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffrey Behm, Eric Jason Brandwine 2019-07-16 $133,086,000
10341359 Multi-user secret decay Gregory Branchek Roth 2019-07-02 $108,009,000
10169591 Chained security systems Matthew John Campagna, Gregory Alan Rubin, Eric Jason Brandwine, Matthew Shawn Wilson 2019-01-01
10148629 User-friendly multifactor authentication Gregory Branchek Roth, Ian Wesley-Smith, Patrick J. Ward 2018-12-04 $108,575,000
10044503 Multiple authority key derivation Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2018-08-07 $127,578,000
9954866 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Eric D. Crahen 2018-04-24 $108,670,000
9872067 Source identification for unauthorized copies of content Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2018-01-16 $79,675,000
9756031 Portable access to auditing information Gregory Branchek Roth, James E. Scharf, Jr., Nathan R. Fitch, Graeme David Baer, Brian Irl Pratt +1 more 2017-09-05 $35,065,000
9674170 Automated secret renegotiation Gregory Branchek Roth 2017-06-06 $51,607,000
9571488 Adaptive timeouts for security credentials Gregory Branchek Roth, Nicholas Alexander Allen 2017-02-14 $47,349,000
9461989 Integrating operating systems with content offered by web based entities Girish Chander, Tanmoy Dutta, Bronislav Kavsan, Ziquian Li, Andreas K. Luther +2 more 2016-10-04 $46,434,000
9305177 Source identification for unauthorized copies of content Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2016-04-05 $52,195,000
9276919 System and method for recognizing malicious credential guessing attacks Stefan Popoveniuc, Gregory Branchek Roth, Eric Jason Brandwine 2016-03-01 $48,892,000
9215076 Key generation for hierarchical data access Gregory Branchek Roth, Marc R. Barbour, Bradley Jeffery Behm, Eric Jason Brandwine 2015-12-15 $116,529,000
9203613 Techniques for client constructed sessions Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Eric D. Crahen 2015-12-01 $81,962,000
9203818 Adaptive timeouts for security credentials Gregory Branchek Roth, Nicholas Alexander Allen 2015-12-01 $81,962,000