For the Inventor, By the Inventor

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Tucson, AZ, United States of America

Sigma Laboratories of Arizona, Inc.

USPTO Granted Patents = 29

CIPO Patents = 8

EPO Patents = 3

Forward Citations = 754

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15 inventors (with patents filed for the assignee):

Angelo Yializis (29 out of 55 patents)

Michael G Mikhael (12 out of 25 patents)

Richard E Ellwanger (5 out of 10 patents)

4. Gordon Goodyear (4 out of 4 patents)

5. Ioannis V Bletsos (1 out of 17 patents)

6. Vladimir Gordyienko (1 out of 1 patent)

7. Marlowe Engquist (1 out of 1 patent)

8. Jose Manuel Rodriguez-Parada (1 out of 22 patents)

9. Theodore A Miller (1 out of 4 patents)

29 patents: Sort by Forward Citations

1. 10774219 - Ultra-bright passivated aluminum nano-flake pigments (2020-09-15),

2. 9968963 - Functional coating (2018-05-15),

3. 9711286 - Polymeric monolithic capacitor (2017-07-18),

4. 9637641 - Ultra-bright passivated aluminum nano-flake pigments (2017-05-02),

5. 9558679 - Ultra-bright passivated aluminum nano-flake pigments (2017-01-31),

6. 9165717 - High-Surface Capacitor Electrode (2015-10-20),

7. 9082320 - Ultra-bright passivated aluminum nano-flake pigments (2015-07-14),

8. 8840970 - Self-assembled functional layers in multilayer structures (2014-09-23),

9. 8815337 - Methods for fabrication of polymer-based optically variable devices (2014-08-26),

10. 8586173 - Nano-structured dielectric composite (2013-11-19),

11. 7807232 - Inline passivation of vacuum-deposited aluminum on web substrate (2010-10-05),

12. 7781034 - Composite modular barrier structures and packages (2010-08-24),

13. 7754106 - Conductive flakes manufactured by combined sputtering and vapor deposition (2010-07-13),

14. 7557019 - Electromagnetic treatment in atmospheric-plasma coating process (2009-07-07),

15. 7491433 - Coated sheet materials and packages made therewith (2009-02-17),

Sigma Laboratories of Arizona, Inc. is a leading pharmaceutical company committed to the research, development, and manufacturing of high-quality generic drugs. With state-of-the-art facilities and a dedicated team of scientists, Sigma Laboratories specializes in producing cost-effective medications that meet the highest standards of safety and efficacy. Our mission is to improve access to essential medications and enhance the quality of life for patients worldwide. Visit our website to learn more about our products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

29 Patents

#21 in Tucson, AZ

#142 in Arizona

#11,219 in US

#21,844 in the World

Tucson, AZ, United States of America

Sigma Laboratories of Arizona, Inc.

Forward Citations = 754

15 inventors:

Angelo Yializis (29 out of 55 patents)

Michael G Mikhael (12 out of 25 patents)

Richard E Ellwanger (5 out of 10 patents)

4. Gordon Goodyear (4 out of 4 patents)

5. Ioannis V Bletsos (1 out of 17 patents)

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