West Linn, OR, United States of America

Dennis J O'Brien

This inventor holds 2 USPTO granted patents. Top assignees: At&e Corporation, Seiko Communications Holding N.v.. Active years: 1989-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis J O'Brien. Retrieved from https://idiyas.com/inventor/dennis-j-o-brien-ysfa91xr

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 78(Granted Patents)


Company Filing History:


Years Active: 1989-1996

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2 patents (USPTO):Explore Patents

Title: Dennis J O'Brien: Innovator in Paging and Voice Mail Technologies

Introduction

Dennis J O'Brien is a notable inventor based in West Linn, Oregon. He has made significant contributions to the fields of paging systems and voice mail technology. With a total of two patents to his name, O'Brien's work has had a lasting impact on communication technologies.

Latest Patents

O'Brien's latest patents include "Group message delivery in a time-division multiplexed paging system" and "Voice mail system with improved detection and cancellation." The first patent focuses on enhancing group message delivery by utilizing a group ring indicator within normal message packets. This innovation allows paging devices to determine the availability of pending group messages, enabling efficient communication across multiple devices. The second patent introduces a method for muting previously recorded audio signals upon detecting DTMF signals, which helps differentiate between recorded signals and valid commands, improving the overall functionality of voice mail systems.

Career Highlights

Throughout his career, O'Brien has worked with prominent companies such as Seiko Communications Holding N.V. and AT&T Corporation. His experience in these organizations has contributed to his expertise in communication technologies and innovation.

Collaborations

O'Brien has collaborated with notable individuals in the industry, including Michael C Park and Garold B Gaskill. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Dennis J O'Brien's contributions to paging and voice mail technologies demonstrate his innovative spirit and commitment to enhancing communication systems. His patents reflect a deep understanding of the challenges in these areas and provide solutions that continue to influence the industry.

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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