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For the Inventor, By the Inventor

Cupertino, CA, United States of America

Charles R Abraham

This inventor holds 19 USPTO granted patents, plus 2 CIPO patents and 5 EPO patents, primarily in High Frequency Communication. Top assignees: Satius, Inc., Videocom, Inc., Satius Holding, Inc.. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles R Abraham. Retrieved from https://idiyas.com/inventor/charles-r-abraham

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

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 89.5



Average Co-Inventor Count = 1.2

ph-index = 14

Forward Citations = 2,337(Granted Patents)


Location History:

  • Cupertino, CA (US) (1996)
  • Berwyn, PA (US) (1996)
  • Evington, VA (US) (1998)
  • Philadelphia, PA (US) (1998)
  • Wayne, PA (US) (1997 - 2002)
  • Marriottsville, MD (US) (2002 - 2004)
  • Clarksville, MD (US) (2004 - 2021)

Company Filing History:

goldMedal4 out of 4 
 
Satius, Inc.
 patents
silverMedal4 out of 4 
 
Videocom, Inc.
 patents
bronzeMedal2 out of 2 
 
Satius Holding, Inc.
 patents
4. 2 out of 2 
 
Wire21, Inc.
 patents
5. 7 out of 834,601 
Other
 patents

Years Active: 1996-2026

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Areas of Expertise:
Capacitive Coupling
Optical Diodes
Frequency Modulated OFDM
Digital Data Transmission
Network Multiplexed Communications
Wireless Communications
Transformer Coupler
Power Line Circuits
High Speed Communication
Video Distribution System
In-Wall Wiring
19 patents (USPTO):Explore Patents
1. 12573814 - Capacitive coupling for optical or laser diodes (2026-03-10),
2. 11152971 - Frequency modulated OFDM over various communication media (2021-10-19),
3. 10897283 - Frequency modulated OFDM over various communication media (2021-01-19),
4. 8724526 - Apparatus and method for transmitting digital data over various communication media (2014-05-13),
5. 7391317 - Apparatus and method for transmitting digital data over various communication media (2008-06-24),
6. 6922135 - High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies (2005-07-26),
7. 6711385 - Coupler for wireless communications (2004-03-23),
8. 6686832 - High frequency network multiplexed communications over various lines (2004-02-03),
9. 6407987 - Transformer coupler for communication over various lines (2002-06-18),
10. 6396392 - High frequency network communications over various lines (2002-05-28),
11. 6104707 - Transformer coupler for communication over various lines (2000-08-15),
12. 6023106 - Power line circuits and adaptors for coupling carrier frequency current (2000-02-08),
13. 6014386 - System and method for high speed communication of video, voice and (2000-01-11),
14. 5818127 - Transmission of FM video signals over various lines (1998-10-06),
15. 5717685 - Transformer coupler for communication over various lines (1998-02-10),

Title: The Innovations of Charles R Abraham

Introduction

Charles R Abraham is a notable inventor based in Cupertino, CA, with a remarkable portfolio of 19 patents. His work primarily focuses on advanced communication technologies, particularly in the realm of data transmission.

Latest Patents

One of his latest inventions is a frequency modulated Orthogonal Frequency Division Multiplexing (OFDM) process. This innovative modulation technique enables high-speed data communications over various transmission media and networks. The process is implemented with a modem device that includes both a modulator and demodulator, facilitating communication with multiple modem devices across different communication media. This includes physical transmission mediums such as power lines, wireless (air), cable, or twisted pairs.

Career Highlights

Throughout his career, Charles has made significant contributions to the field of communication technology. His inventions have paved the way for more efficient data transmission methods, enhancing the capabilities of modern communication systems.

Collaborations

Charles has worked alongside notable colleagues such as John Jarels and Chris Reinert, contributing to various projects that have furthered advancements in communication technologies.

Conclusion

Charles R Abraham's innovative work in communication technology continues to impact the industry significantly. His contributions, particularly in high-speed data communication, showcase his expertise and dedication to advancing technology.

Profile summary based on public USPTO records.
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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