Cary, NC, United States of America

James William Sylivant

This inventor holds 2 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James William Sylivant. Retrieved from https://idiyas.com/inventor/james-william-sylivant

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 56(Granted Patents)


Company Filing History:


Years Active: 1998

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2 patents (USPTO):Explore Patents

Title: Innovations of James William Sylivant

Introduction

James William Sylivant is a notable inventor based in Cary, NC (US). He has made significant contributions to the field of telecommunications, particularly in the development of advanced circuit designs. With a total of 2 patents, his work has had a meaningful impact on modem technology.

Latest Patents

One of his latest patents is the "Balanced hybrid circuit," which allows for large signal swings in the transmitted signal of a telephone line modem using differential drivers. This innovation compensates for the complex nature of line impedance without affecting the response of the receive circuits. Additionally, it effectively cancels common-mode noise due to a fully balanced topology for both the transmit and receive portions of the hybrid circuit. Another significant patent is the "Telephone interface protection circuit and modem using same." This circuit includes a sensing circuit and a determining circuit that checks for an active telephone line and monitors for over-current conditions. It functions continuously while the modem operates, providing notifications to the user through LEDs or status messages sent via the host computer interface.

Career Highlights

James William Sylivant is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of telecommunications. His work at IBM has allowed him to collaborate with other talented professionals in the industry.

Collaborations

Some of his coworkers include Todd Morgan Rasmus and Beymer Bevill, Jr. Their collective expertise contributes to the advancement of technology within their projects.

Conclusion

James William Sylivant's contributions to telecommunications through his patents and work at IBM highlight his role as an influential inventor. His innovations continue to shape the future of modem technology and enhance communication systems.

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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