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 66 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)

Core Competencies:

Fiberoptic System

Wavelength Calibration

Tunable Laser

Fabry-Perot Filter

Optical Switching

VCSEL

Thermal Stability

Optoelectronic Packaging

Light Coupling

Wavelength Locker

Electrically Tunable

Microelectromechanical

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),

Company Overview

Coretek, Inc. is a technology company based in Billerica, Massachusetts, specializing in advanced solutions for various industries. The organization focuses on developing innovative software and hardware systems that enhance operational efficiency and drive digital transformation. Coretek's expertise spans cloud computing, data analytics, and cybersecurity, positioning it as a key player in the technology landscape. With a commitment to research and development, Coretek aims to deliver cutting-edge solutions that meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

31 Patents

#27 in

#10,936 in

#21,284 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 66 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coretek, Inc.. Retrieved from https://idiyas.com/company/coretek

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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