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Waterloo, Canada

Isara Corporation

USPTO Granted Patents = 38

% Expired Patents = 63.2

Forward Citations = 506

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25 inventors (with patents filed for the assignee):

Atsushi Yamada (17 out of 22 patents)

Gustav Michael Gutoski (9 out of 9 patents)

Kassem Kalach (8 out of 10 patents)

4. Shane Daniel Kelly (7 out of 7 patents)

5. Alexander Truskovsky (6 out of 25 patents)

6. Victoria De Quehen (6 out of 6 patents)

7. Edward William Eaton (6 out of 6 patents)

8. Michael Kenneth Brown (6 out of 286 patents)

9. Marinus Struik (4 out of 59 patents)

10. Robert Williams (3 out of 3 patents)

11. Anton Mosunov (3 out of 3 patents)

12. Jiayuan Sui (3 out of 6 patents)

13. Mark Pecen (2 out of 82 patents)

14. Christopher Leonardi (2 out of 2 patents)

15. Marek Paruzel (2 out of 4 patents)

Core Competencies:

Cryptography

Key Encapsulation

Public Key Infrastructure

Lattice-Based Protocols

Digital Certificates

Root Certificate Authority

Supersingular Isogeny

Cryptographic Hash Tree

Security Measures

Certificate Validation

Multi-Entity Systems

Modular Reductions

38 patents: Sort by Forward Citations

1. 12732519 - Identifying cryptography usage risks (2026-09-08),

2. 12647285 - Transitioning to and from crypto-agile hybrid public key infrastructures (2026-06-02),

3. 12627509 - Cryptographically authenticated database representing a multiple-key-pair root certificate authority (2026-05-12),

4. 12425236 - Certificate validation using a multiple-key-pair root certificate authority (2025-09-23),

5. 12107878 - Identifying cryptography usage risks (2024-10-01),

6. 11615060 - Constructing a multiple entity root of trust (2023-03-28),

7. 11444753 - Protocol key negotiation (2022-09-13),

8. 11265159 - Determining upgradability scores and identifying remedial security measures in a computing environment (2022-03-01),

9. 10958450 - Constructing a multiple-entity root certificate data block chain (2021-03-23),

10. 10880278 - Broadcasting in supersingular isogeny-based cryptosystems (2020-12-29),

11. 10841295 - Extensions for using a digital certificate with multiple cryptosystems (2020-11-17),

12. 10812265 - Using cryptographic co-processors in a supersingular isogeny-based cryptosystem (2020-10-20),

13. 10812264 - Traversing a zigzag path tree topology in a supersingular isogeny-based cryptosystem (2020-10-20),

14. 10805081 - Processing batches of point evaluations in a supersingular isogeny-based cryptosystem (2020-10-13),

15. 10630476 - Obtaining keys from broadcasters in supersingular isogeny-based cryptosystems (2020-04-21),

Isara Corporation is a technology company based in Waterloo, Canada, specializing in quantum-safe security solutions. The organization focuses on developing cryptographic tools and protocols that protect data against the emerging threats posed by quantum computing. Isara's expertise lies in integrating advanced security measures into various applications, ensuring that businesses can safeguard their sensitive information in a rapidly evolving digital landscape. Their innovative approach aims to provide robust security for industries reliant on data integrity and confidentiality.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Isara Corporation

38 Patents

#14 in Waterloo

#356 in Canada

#17,831 in the World

Waterloo, Canada

Isara Corporation

Forward Citations = 506

25 inventors:

Atsushi Yamada (17 out of 22 patents)

Gustav Michael Gutoski (9 out of 9 patents)

Kassem Kalach (8 out of 10 patents)

4. Shane Daniel Kelly (7 out of 7 patents)

5. Alexander Truskovsky (6 out of 25 patents)

Please report any incorrect information to [email protected]

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