For the Inventor, By the Inventor

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Costa Mesa, CA, United States of America

Troy Group, Inc.

USPTO Granted Patents = 31

% Expired Patents = 12.9

CIPO Patents = 2

EPO Patents = 8

Trademarks = 15

Forward Citations = 177

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31 inventors (with patents filed for the assignee):

Michael R Riley (25 out of 25 patents)

Xiaorong Cai (13 out of 16 patents)

Kevin L Heilman (10 out of 10 patents)

4. Brian Lewis (6 out of 6 patents)

5. David Altfeder (4 out of 4 patents)

6. Carrie Gilson (3 out of 3 patents)

7. Eugene Hoefs (2 out of 2 patents)

8. John E Cole (2 out of 2 patents)

9. Joseph J Pfeuffer (2 out of 2 patents)

10. John Cooper (2 out of 3 patents)

11. Cheston Sung Yin Chan (2 out of 2 patents)

12. Ronald V Surya (2 out of 3 patents)

13. Nabil F Nasser (1 out of 16 patents)

14. Chelsea Russell (1 out of 1 patent)

15. Jason Zimpelmann (1 out of 1 patent)

Core Competencies:

Photochromic Inks

NIR-to-Visible Inks

Security Printing

Invisible Barcodes

Phosphorescent Toner

Secure Document Registration

Aqueous Inks

Toner Identification

Variable Security Data

Inkjet Printing

Secure Imaging

31 patents: Sort by Forward Citations

1. 12145385 - Apparatus and method for securing inkjet MICR print with a secondary penetrating ink (2024-11-19),

2. 11884831 - Photochromic inkjet inks and methods of making photochromic inkjet inks for security printing applications (2024-01-30),

3. 11059987 - Security printing inks for inkjet printers and method of manufacture (2021-07-13),

4. 10733825 - Covert secure document registration system (2020-08-04),

5. 10626282 - Security printing inks for inkjet printers and method of manufacture (2020-04-21),

6. 10563074 - Nir-to-visible upconversion inkjet inks (2020-02-18),

7. 10475269 - Covert secure document registration system (2019-11-12),

8. 10400121 - Nir-to-visible upconversion inkjet inks (2019-09-03),

9. 10150879 - Method of making NIR-to-visible upconversion inkjet inks (2018-12-11),

10. 10081736 - Composition and method of making NIR-to-visible upconversion inkjet inks (2018-09-25),

11. 10059854 - Composition and method of making aqueous penetrating inkjet ink (2018-08-28),

12. 9747483 - Methods for securing invisible 2D barcodes and printed images (2017-08-29),

13. 9534130 - Composition and method of making an aqueous magnetic ink character recognition inkjet ink (2017-01-03),

14. 9529294 - Colorless ultraviolet security toner (2016-12-27),

15. 9442402 - Method of making a phosphorescent toner (2016-09-13),

Troy Group, Inc. is a technology company based in Costa Mesa, California, specializing in advanced printing solutions and secure document management. The company develops innovative software and hardware products that enhance the efficiency and security of printing processes, catering to a variety of industries including government, healthcare, and finance. With a focus on quality and reliability, Troy Group aims to provide comprehensive solutions that meet the evolving needs of its clients in a digital-first world.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

31 Patents

#16 in Costa Mesa, CA

#2,609 in California

#10,912 in US

#21,217 in the World

Costa Mesa, CA, United States of America

Troy Group, Inc.

Forward Citations = 177

31 inventors:

Michael R Riley (25 out of 25 patents)

Xiaorong Cai (13 out of 16 patents)

Kevin L Heilman (10 out of 10 patents)

4. Brian Lewis (6 out of 6 patents)

5. David Altfeder (4 out of 4 patents)

Please report any incorrect information to [email protected]

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