For the Inventor, By the Inventor

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Atlanta, GA, United States of America

Quellan, Inc.

Calculating rank

USPTO Granted Patents = 33

% Expired Patents = 78.8

EPO Patents = 3

Forward Citations = 957

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23 inventors (with patents filed for the assignee):

Andrew Joo Kim (24 out of 37 patents)

Edward Gebara (12 out of 12 patents)

Vincent Mark Hietala (11 out of 27 patents)

4. Michael Gerald Vrazel (10 out of 16 patents)

5. Joy Laskar (10 out of 54 patents)

6. Sanjay Bajekal (9 out of 9 patents)

7. Emmanouil Tentzeris (7 out of 23 patents)

8. Stephen E Ralph (6 out of 17 patents)

9. Charles E Summers (6 out of 6 patents)

10. Anthony Stelliga (4 out of 4 patents)

11. Wilhelm Steffen Hahn (3 out of 44 patents)

12. Bruce C Schmukler (3 out of 3 patents)

13. Georgios Asmanis (2 out of 23 patents)

14. Faouzi Chaahoub (2 out of 27 patents)

15. David Anthony Stelliga (2 out of 5 patents)

Core Competencies:

Signal Emulation

Noise Filtering

Signal Interference

Crosstalk Cancellation

Radio Frequency

High-Speed Communication

Analog-to-Digital Conversion

Fiber Optic Communication

Multilevel Signals

Timing Uncertainty

Data Throughput

Pulse Position Modulation

33 patents: Sort by Forward Citations

1. 8605566 - Method and system for signal emulation (2013-12-10),

2. 8594258 - Adaptive noise filtering and equalization (2013-11-26),

3. 8576939 - Method and system for slicing a communication signal (2013-11-05),

4. 8503940 - Reducing signal interference (2013-08-06),

5. 8429439 - Inter-pair skew adjustment (2013-04-23),

6. 8422412 - Duplexer and switch enhancement (2013-04-16),

7. 8380771 - Filter shaping using a signal cancellation function (2013-02-19),

8. 8315583 - Pre-configuration and control of radio frequency noise cancellation (2012-11-20),

9. 8311168 - Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding (2012-11-13),

10. 8219893 - High-speed communication channel techniques with improved robustness to timing uncertainty (2012-07-10),

11. 8183711 - Power extraction from signal sinks (2012-05-22),

12. 8135350 - System for reducing signal interference (2012-03-13),

13. 8068406 - Method and system for crosstalk cancellation (2011-11-29),

14. 8005430 - Method and system for reducing signal interference (2011-08-23),

15. 7934144 - High-speed analog-to-digital conversion with improved robustness to timing uncertainty (2011-04-26),

Company Overview

Quellan, Inc. is a technology company based in Atlanta, GA, specializing in advanced signal processing solutions. The organization focuses on developing innovative analog and mixed-signal technologies that enhance performance in various applications, particularly in the fields of telecommunications and consumer electronics. Quellan's expertise lies in creating products that improve signal integrity and reduce noise, catering to the growing demands of high-speed data transmission and connectivity in modern electronic devices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

33 Patents

#94 in Atlanta, GA

#208 in Georgia

#10,312 in US

#20,172 in the World

Atlanta, GA, United States of America

Quellan, Inc.

Forward Citations = 957

23 inventors:

Andrew Joo Kim (24 out of 37 patents)

Edward Gebara (12 out of 12 patents)

Vincent Mark Hietala (11 out of 27 patents)

4. Michael Gerald Vrazel (10 out of 16 patents)

5. Joy Laskar (10 out of 54 patents)

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

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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