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Shelton, CT, United States of America

Transwitch Corporation

USPTO Granted Patents = 86

% Expired Patents = 20.9

CIPO Patents = 1

Forward Citations = 1,669

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101 inventors (with patents filed for the assignee):

Daniel C Upp (23 out of 35 patents)

Subhash Chandra Roy (13 out of 34 patents)

Ronald P Novick (8 out of 9 patents)

4. Eugene L Parrella (7 out of 7 patents)

5. Timothy M Shanley (5 out of 5 patents)

6. Michael M Renault (5 out of 6 patents)

7. Yaron Slezak (4 out of 11 patents)

8. Santanu Bhattacharya (4 out of 4 patents)

9. Bidyut Parruck (4 out of 6 patents)

10. Joseph C Lau (4 out of 4 patents)

11. Wolfgang Roethig (3 out of 22 patents)

12. Genady Veytsman (3 out of 5 patents)

13. Amir Bar-Niv (3 out of 13 patents)

14. William G Bartholomay (3 out of 15 patents)

15. Koen Deforche (3 out of 3 patents)

Core Competencies:

SONET

PAM

Adaptive Equalizer

Ethernet

High-Speed Data

Multimedia Signals

Network Tunneling

Traffic Management

Clock Recovery

Data Transfer

Packet Switching

Error Correction

86 patents: Sort by Forward Citations

1. 8837573 - Apparatus and method thereof for compensating for gain changes of N-PAM modulate signals (2014-09-16),

2. 8804809 - Techniques for setting feedback coefficients of a PAM-N decision feedback equalizer (2014-08-12),

3. 8594262 - Apparatus and method thereof for clock and data recovery of N-PAM encoded signals using a conventional 2-PAM CDR circuit (2013-11-26),

4. 8576903 - Techniques for adaptively adjusting decision levels of a PAM-N decision feedback equalizer (2013-11-05),

5. 8472351 - Fast Ethernet and HDMI Ethernet channel physical layer circuit (2013-06-25),

6. 8238413 - Adaptive equalizer for high-speed serial data (2012-08-07),

7. 8112572 - Apparatus for swapping high-speed multimedia signals (2012-02-07),

8. 8098690 - System and method for transferring high-definition multimedia signals over four twisted-pairs (2012-01-17),

9. 7873938 - Method for constructing a variable bitwidth video processor (2011-01-18),

10. 7714565 - Methods and apparatus for testing delay locked loops and clock skew (2010-05-11),

11. 7680943 - Methods and apparatus for implementing multiple types of network tunneling in a uniform manner (2010-03-16),

12. 7672315 - Methods and apparatus for deskewing VCAT/LCAS members (2010-03-02),

13. 7653072 - Overcoming access latency inefficiency in memories for packet switched networks (2010-01-26),

14. 7649843 - Methods and apparatus for controlling the flow of multiple signal sources over a single full duplex ethernet link (2010-01-19),

15. 7630397 - Efficient scalable implementation of VCAT/LCAS for SDH and PDH signals (2009-12-08),

Transwitch Corporation, based in Shelton, Connecticut, specializes in telecommunications technology, focusing on high-performance solutions for data transmission. The company develops advanced technologies such as SONET, PAM, and adaptive equalizers, which are essential for managing high-speed data and multimedia signals. Their expertise extends to network tunneling and traffic management, enabling efficient communication across various platforms. Transwitch's innovations support the evolving demands of modern telecommunications infrastructure.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

86 Patents

#5 in Shelton, CT

#120 in Connecticut

#4,331 in US

#8,853 in the World

Shelton, CT, United States of America

Transwitch Corporation

Forward Citations = 1,669

101 inventors:

Daniel C Upp (23 out of 35 patents)

Subhash Chandra Roy (13 out of 34 patents)

Ronald P Novick (8 out of 9 patents)

4. Eugene L Parrella (7 out of 7 patents)

5. Timothy M Shanley (5 out of 5 patents)

Please report any incorrect information to [email protected]

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