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For the Inventor, By the Inventor

Cupertino, CA, United States of America

Voltage Security, Inc.


USPTO Granted Patents = 57

% Expired Patents = 42.1



Forward Citations = 1,820

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23 inventors (with patents filed for the assignee):

goldMedal Terence Spies (41 out of 57 patents)

silverMedal Matthew J Pauker (38 out of 46 patents)

bronzeMedal Guido Appenzeller (34 out of 42 patents)

4.  Rishi R Kacker (21 out of 21 patents)

5.  Xavier Boyen (8 out of 20 patents)

6.  Lucas C Ryan (6 out of 6 patents)

7.  Luther Martin (5 out of 29 patents)

8.  Sathvik Krishnamurthy (4 out of 12 patents)

9.  Robert K Vaterlaus (2 out of 7 patents)

10.  Dan Boneh (2 out of 23 patents)

11.  Jacob Green (2 out of 3 patents)

12.  Michael S Leong (2 out of 3 patents)

13.  Richard T Minner (2 out of 17 patents)

14.  Timothy Y Choi (2 out of 2 patents)

15.  Eric Kenneth Rescorla (2 out of 17 patents)


Core Competencies:
Structured Encryption
Payment Card Security
Cryptographic Web Services
Identity-Based Encryption
Secure Messaging
Format-Preserving Encryption
Data Processing
Message Authentication
Tokenization
Document Imaging
URL Verification
Cross-Branding Detection

57 patents:

1. 9773243 - System for structured encryption of payment card track data with additional security data (2017-09-26),
2. 9749301 - Cryptographic web service (2017-08-29),
3. 9489521 - Format preserving encryption methods for data strings with constraints (2016-11-08),
4. 9355389 - Purchase transaction system with encrypted payment card data (2016-05-31),
5. 9208491 - Format-preserving cryptographic systems (2015-12-08),
6. 8996485 - Web site verification service (2015-03-31),
7. 8958562 - Format-preserving cryptographic systems (2015-02-17),
8. 8949625 - Systems for structured encryption using embedded information in data strings (2015-02-03),
9. 8948375 - Systems for embedding information in data strings (2015-02-03),
10. 8938067 - Format preserving encryption methods for data strings with constraints (2015-01-20),
11. 8855296 - Data processing systems with format-preserving encryption and decryption engines (2014-10-07),
12. 8756289 - Message authentication using signatures (2014-06-17),
13. 8737614 - Document imaging system with identity-based encryption (2014-05-27),
14. 8666823 - System for structured encryption of payment card track data (2014-03-04),
15. 8656177 - Identity-based-encryption system (2014-02-18),
Voltage Security, Inc. is a leading provider of data-centric security solutions for enterprises, governments, and financial institutions. Their innovative encryption and tokenization technology helps organizations protect sensitive data, ensuring privacy and compliance with regulations. Voltage Security's solutions enable secure data sharing and collaboration without sacrificing usability or performance. With a global customer base, they continue to deliver reliable and scalable security solutions that safeguard critical information.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Voltage Security, Inc.
57 Patents

#11 in Cupertino, CA

#1,463 in California

#6,238 in US

#12,542 in the World

Cupertino, CA (US)
Cupertino, CA, United States of America

Voltage Security, Inc.

Forward Citations = 1,820

23 inventors:

goldMedal Terence Spies (41 out of 57 patents)

silverMedal Matthew J Pauker (38 out of 46 patents)

bronzeMedal Guido Appenzeller (34 out of 42 patents)

4.  Rishi R Kacker (21 out of 21 patents)

5.  Xavier Boyen (8 out of 20 patents)

Please report any incorrect information to [email protected]
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