Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric D. Crahen — 16 Patents

Amazon: 16 patents #797 of 19,158Top 5%
Seattle, WA: #1,769 of 21,776 inventorsTop 9%
Washington: #6,223 of 76,902 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Eric D. Crahen has been granted 16 US patents while listed as an inventor at Amazon. The first was granted in 2014 and the most recent in September 2025. Eric D. Crahen ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Eric D. Crahen in Seattle, WA, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12411938 Systems and methods for utilizing cryptographic co-dependency across multiple roots of trust Krutarth Mukesh Gathani, Sathwik Nunna 2025-09-09
11431514 Systems for determining authenticated transmissions of encrypted payloads Sarath Geethakumar, Krutarth Mukesh Gathani, Bruce Cooper 2022-08-30 $250,057,000
11366870 Load regulation using dynamically determined time to live values David Craig Yanacek, David Andrew Killian, Krishnan Narayanan, Matthew James Wren, Samuel John Young 2022-06-21 $198,705,000
11356457 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Cristian M. Ilac 2022-06-07 $218,376,000
11121869 Decentralized cryptographic key derivation Krutarth Mukesh Gathani 2021-09-14 $221,968,000
10931442 Authentication through a secret holding proxy Gregory Branchek Roth, Graeme David Baer, Nathan R. Fitch, Eric Jason Brandwine 2021-02-23 $259,688,000
10721238 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Cristian M. Ilac 2020-07-21 $302,763,000
10460004 Load regulation using dynamically determined time to live values David Craig Yanacek, David Andrew Killian, Krishnan Narayanan, Matthew James Wren, Samuel John Young 2019-10-29 $88,044,000
10103875 Authentication through a secret holding proxy Gregory Branchek Roth, Graeme David Baer, Nathan R. Fitch, Eric Jason Brandwine 2018-10-16 $83,507,000
9954866 Parameter based key derivation Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Cristian M. Ilac 2018-04-24 $108,670,000
9607162 Implementation of secure communications in a support system Gregory Branchek Roth, Graeme David Baer, Eric Jason Brandwine, Nathan R. Fitch 2017-03-28 $39,561,000
9203613 Techniques for client constructed sessions Gregory Branchek Roth, Eric Jason Brandwine, Nathan R. Fitch, Cristian M. Ilac 2015-12-01 $81,962,000
9197409 Key derivation techniques Gregory Branchek Roth, Bradley Jeffery Behm, Cristian M. Ilac, Nathan R. Fitch, Eric Jason Brandwine +1 more 2015-11-24 $69,946,000
9178701 Parameter based key derivation Gregory Branchek Roth, Bradley Jeffery Behm, Cristian M. Ilac, Nathan R. Fitch, Eric Jason Brandwine +1 more 2015-11-03 $84,355,000
9037511 Implementation of secure communications in a support system Gregory Branchek Roth, Graeme David Baer, Eric Jason Brandwine, Nathan R. Fitch 2015-05-19 $53,106,000
8856957 Federated identity broker Gregory Branchek Roth, Kevin Ross O'Neill, Eric Jason Brandwine, Cristian M. Ilac 2014-10-07 $61,845,000