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Washington, DC, United States of America

Communications Satellite Corporation (Comsat)

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USPTO Granted Patents = 22

Forward Citations = 334

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31 inventors (with patents filed for the assignee):

Joseph Lindmayer (3 out of 78 patents)

Henri G Suyderhoud (2 out of 8 patents)

Joseph Albert Sciulli (2 out of 2 patents)

4. James Frederick Allison (2 out of 2 patents)

5. Akos G Revesz (1 out of 2 patents)

6. Albert Edward Williams (1 out of 7 patents)

7. Krishnamoorthy Virupaksha (1 out of 6 patents)

8. Michael Onufry, Jr (1 out of 8 patents)

9. Rene Costales (1 out of 1 patent)

10. Norman P Miller (1 out of 1 patent)

11. Lewis V Smith, Jr (1 out of 1 patent)

12. Atsushi Tomozawa (1 out of 1 patent)

13. Paul L Fleming (1 out of 4 patents)

14. Melville Lynwood Heiges, Jr (1 out of 1 patent)

15. Leonard Golding (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 4031338 - Echo suppressor using frequency-selective center clipping (1977-06-21),

2. 4024358 - Adaptive echo canceller using differential pulse code modulation encoding (1977-05-17),

3. 4021758 - Direct modulation 4 phase PSK modulator (1977-05-03),

4. 4021740 - Sinewave clock driver with adjustable delay (1977-05-03),

5. 4021623 - Automatic H-register clear for prevention of erroneous convolution in (1977-05-03),

6. 4008375 - Digital voice switch for single or multiple channel applications (1977-02-15),

7. 4004098 - Satellite on-board switching system with satellite-to-satellite link (1977-01-18),

8. 3997729 - Pseudo-random sequencing for speech predictive encoding communications (1976-12-14),

9. 3988736 - Steerable feed for toroidal antennas (1976-10-26),

10. 3988674 - Frame synchronization in speech predictive encoded communication system (1976-10-26),

11. 3982964 - Dotted contact fine geometry solar cell (1976-09-28),

12. 3979701 - Non-recursive digital filter employing simple coefficients (1976-09-07),

13. 3977905 - Solar cell with niobium pentoxide anti-reflective coating (1976-08-31),

14. 3972065 - Method of testing color television systems (1976-07-27),

15. 3969692 - Generalized waveguide bandpass filters (1976-07-13),

Company Overview

Communications Satellite Corporation (Comsat) is a prominent player in the satellite communications industry, specializing in the development and provision of satellite-based communication services. Headquartered in Washington, DC, Comsat focuses on delivering reliable connectivity solutions for various sectors, including government, maritime, and commercial enterprises. The company is dedicated to advancing satellite technology and enhancing global communications infrastructure, ensuring seamless data transmission across diverse geographic regions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

22 Patents

#45 in Washington, DC

#45 in District of Columbia

#15,057 in US

#28,822 in the World

Washington, DC, United States of America

Communications Satellite Corporation (Comsat)

Forward Citations = 334

31 inventors:

Joseph Lindmayer (3 out of 78 patents)

Henri G Suyderhoud (2 out of 8 patents)

Joseph Albert Sciulli (2 out of 2 patents)

4. James Frederick Allison (2 out of 2 patents)

5. Akos G Revesz (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Communications Satellite Corporation (Comsat). Retrieved from https://idiyas.com/company/communications-satellite-comsat

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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