For the Inventor, By the Inventor

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Wilmington, DE, United States of America

Guardian Data Storage, LLC

USPTO Granted Patents = 16

% Expired Patents = 37.5

EPO Patents = 2

Forward Citations = 1,790

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18 inventors (with patents filed for the assignee):

Klimenty Vainstein (8 out of 27 patents)

Denis Jacques Paul Garcia (4 out of 16 patents)

Senthilvasan Supramaniam (3 out of 20 patents)

4. Michael Michio Ouye (3 out of 14 patents)

5. Weiqing Huang (3 out of 11 patents)

6. Nicholas Michael Ryan (3 out of 16 patents)

7. Satyajit Nath (3 out of 7 patents)

8. Hal Scott Hildebrand (2 out of 17 patents)

9. Chang-Ping Lee (2 out of 5 patents)

10. Patrick Zuili (2 out of 26 patents)

11. Serge Humpich (1 out of 8 patents)

12. Gary Mark Kinghorn (1 out of 2 patents)

13. Michael Frederick Kenrich (1 out of 4 patents)

14. Yevgeniy Gutnik (1 out of 4 patents)

15. Hal Hilderbrand (1 out of 3 patents)

16 patents: Sort by Forward Citations

1. 10360545 - Method and apparatus for accessing secured electronic data off-line (2019-07-23),

2. RE43906 - Method and apparatus for securing digital assets (2012-12-31),

3. 8341407 - Method and system for protecting electronic data in enterprise environment (2012-12-25),

4. 8341406 - System and method for providing different levels of key security for controlling access to secured items (2012-12-25),

5. 8327138 - Method and system for securing digital assets using process-driven security policies (2012-12-04),

6. 8307067 - Protecting encrypted files transmitted over a network (2012-11-06),

7. 8301896 - Multi-level file digests (2012-10-30),

8. 8266674 - Method and system for implementing changes to security policies in a distributed security system (2012-09-11),

9. 8176334 - Document security system that permits external users to gain access to secured files (2012-05-08),

10. 8127366 - Method and apparatus for transitioning between states of security policies used to secure electronic documents (2012-02-28),

11. 7950066 - Method and system for restricting use of a clipboard application (2011-05-24),

12. 7703140 - Method and system for securing digital assets using process-driven security policies (2010-04-20),

13. 7512810 - Method and system for protecting encrypted files transmitted over a network (2009-03-31),

14. 7478418 - Guaranteed delivery of changes to security policies in a distributed system (2009-01-13),

15. 7380120 - Secured data format for access control (2008-05-27),

Guardian Data Storage, LLC is a leading provider of data protection and storage solutions. With over 10 years of experience in the industry, Guardian Data Storage offers secure and reliable data storage services for businesses of all sizes. Our state-of-the-art facilities ensure the highest level of data security and compliance with industry regulations. We provide comprehensive backup and recovery solutions, offsite tape vaulting, and cloud storage options to meet the diverse needs of our clients. Trust Guardian Data Storage to safeguard your critical data and provide peace of mind for your business.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#246 in Wilmington, DE

#311 in Delaware

#19,898 in US

#37,766 in the World

Wilmington, DE, United States of America

Guardian Data Storage, LLC

Forward Citations = 1,790

18 inventors:

Klimenty Vainstein (8 out of 27 patents)

Denis Jacques Paul Garcia (4 out of 16 patents)

Senthilvasan Supramaniam (3 out of 20 patents)

4. Michael Michio Ouye (3 out of 14 patents)

5. Weiqing Huang (3 out of 11 patents)

Please report any incorrect information to [email protected]

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