For the Inventor, By the Inventor

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Billerica, MA, United States of America

Coretek, Inc.

USPTO Granted Patents = 31

% Expired Patents = 32.3

Trademarks = 2

Forward Citations = 650

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18 inventors (with patents filed for the assignee):

Parviz Tayebati (25 out of 160 patents)

Daryoosh Vakhshoori (16 out of 65 patents)

Masud Azimi (8 out of 40 patents)

4. Reich L Watterson (6 out of 8 patents)

5. Peidong Wang (5 out of 34 patents)

6. Kevin John McCallion (5 out of 57 patents)

7. Donald L McDaniel, Jr (2 out of 6 patents)

8. Rong Huang (2 out of 3 patents)

9. Bartley C Johnson (1 out of 34 patents)

10. Yakov Kogan (1 out of 16 patents)

11. Kevin J Knopp (1 out of 26 patents)

12. Min Jiang (1 out of 5 patents)

13. Thomas J Dudley (1 out of 1 patent)

14. Brian Cranton (1 out of 2 patents)

15. Parvis Tayebati (1 out of 1 patent)

31 patents: Sort by Forward Citations

1. 6970653 - Fiberoptic system for communicating between a central office and a downstream station (2005-11-29),

2. 6934033 - Single-etalon, multi-point wavelength calibration reference (2005-08-23),

3. 6819466 - Asymmetric fabry-perot modulator with a micromechanical phase compensating cavity (2004-11-16),

4. 6813291 - Tunable fabry-perot filter and tunable vertical cavity surface emitting laser (2004-11-02),

5. 6804270 - Efficient fiber-semiconductor tunable laser source (2004-10-12),

6. 6762938 - Apparatus and method for providing auxiliary cooling and thermal stability to an opto-electronic component (2004-07-13),

7. 6678444 - Low power fiberoptic relay for radio communications (2004-01-13),

8. 6665076 - Wavelength reference device (2003-12-16),

9. 6645784 - Microelectromechanically tunable, confocal, vertical cavity surface emitting laser and fabry-perot filter (2003-11-11),

10. 6639932 - Vertical-cavity surface-emitting laser (VCSEL) with cavity compensated gain (2003-10-28),

11. 6639922 - Wavelength locker and optical system using the same (2003-10-28),

12. 6600846 - Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same (2003-07-29),

13. 6597490 - Electrically tunable fabry-perot structure utilizing a deformable multi-layer mirror and method of making the same (2003-07-22),

14. 6594022 - Wavelength reference device (2003-07-15),

15. 6591032 - Optical switching and attenuation systems and methods therefor (2003-07-08),

Coretek, Inc. is a leading technology consulting firm that provides comprehensive solutions and services to businesses. With a focus on delivering innovative IT solutions, Coretek helps organizations harness the power of technology to achieve their goals and enhance productivity. From strategic planning to implementation and support, Coretek offers a wide range of services including cloud solutions, infrastructure management, cybersecurity, and digital transformation. With an experienced team of professionals, Coretek is committed to delivering exceptional results and ensuring client success in the rapidly evolving digital era.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

31 Patents

#27 in

#10,912 in

#21,217 in the World

Billerica, MA, United States of America

Coretek, Inc.

Forward Citations = 650

18 inventors:

Parviz Tayebati (25 out of 160 patents)

Daryoosh Vakhshoori (16 out of 65 patents)

Masud Azimi (8 out of 40 patents)

4. Reich L Watterson (6 out of 8 patents)

5. Peidong Wang (5 out of 34 patents)

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