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Danvers, MA, United States of America

Picturetel Corporation

Calculating rank

USPTO Granted Patents = 45

Trademarks = 1

Forward Citations = 3,205

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49 inventors (with patents filed for the assignee):

Peter L Chu (7 out of 93 patents)

Jeffrey G Bernstein (5 out of 32 patents)

Christopher J Mairs (4 out of 15 patents)

4. Xiancheng Yuan (4 out of 4 patents)

5. Craig S Clapp (4 out of 4 patents)

6. Anthony M Duys (4 out of 4 patents)

7. Anthony M Downes (3 out of 12 patents)

8. Roderick F MacFarquhar (3 out of 12 patents)

9. Kenneth P Hughes (3 out of 12 patents)

10. Alex J Pollitt (3 out of 12 patents)

11. John P Batty (3 out of 15 patents)

12. John E Bruder (3 out of 3 patents)

13. Brant Martin Helf (3 out of 3 patents)

14. Frank Labuski (3 out of 3 patents)

15. Stephen C Botzko (2 out of 18 patents)

Core Competencies:

Data Transmission

Video Conferencing

Audio Processing

Cryptographic Key Exchange

Microphone System

Speech Enhancement

Image Processing

Signal Processing

Channel Aggregation

Background Noise Reduction

Adaptive Echo Canceller

Variable Bit Rate Encoding

45 patents: Sort by Forward Citations

1. 6911987 - Method and system for transmitting data for a shared application (2005-06-28),

2. 6357028 - Error correction and concealment during data transmission (2002-03-12),

3. 6285661 - Low delay real time digital video mixing for multipoint video conferencing (2001-09-04),

4. D446531 - Video camera (2001-08-15),

5. 6240140 - Channel aggregation having low latency and overhead (2001-05-29),

6. 6141597 - Audio processor (2000-10-31),

7. 6032188 - Method and system for controlling data flow (2000-02-29),

8. 5987131 - Cryptographic key exchange using pre-computation (1999-11-16),

9. 5983252 - Pseudo-random number generator capable of efficiently exploiting (1999-11-09),

10. 5983192 - Audio processor (1999-11-09),

11. 5949975 - Method and system for negotiating capabilities when sharing an (1999-09-07),

12. 5943248 - w-bit non-linear combiner for pseudo-random number generation (1999-08-24),

13. 5924064 - Variable length coding using a plurality of region bit allocation (1999-07-13),

14. 5874960 - Method and system for sharing applications between computer systems (1999-02-23),

15. 5821986 - Method and apparatus for visual communications in a scalable network (1998-10-13),

Company Overview

Picturetel Corporation, based in Danvers, MA, specializes in advanced communication technologies, focusing on video conferencing and audio processing solutions. The company is recognized for its innovations in data transmission, enhancing the quality and security of real-time communication. Picturetel's expertise extends to cryptographic key exchange, microphone systems, speech enhancement, and image processing, making it a key player in the development of high-fidelity audio and visual experiences for various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

45 Patents

#4 in Danvers, MA

#442 in Massachusetts

#7,796 in US

#15,457 in the World

Danvers, MA, United States of America

Picturetel Corporation

Forward Citations = 3,205

49 inventors:

Peter L Chu (7 out of 93 patents)

Jeffrey G Bernstein (5 out of 32 patents)

Christopher J Mairs (4 out of 15 patents)

4. Xiancheng Yuan (4 out of 4 patents)

5. Craig S Clapp (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Picturetel Corporation. Retrieved from https://idiyas.com/company/picturetel

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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