Patricia A Landgren

Plano, TX, United States of America

Patricia A Landgren

This inventor holds 66 USPTO granted patents and 2 EPO patents, primarily in Telecommunication Services (CPC class H04W). Top assignees: Tango Networks, Inc., Nortel Networks Corporation, Northern Telecom Limited. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Patricia A Landgren. Retrieved from https://idiyas.com/inventor/patricia-a-landgren

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


% Patents Active = 97.0


Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 711(Granted Patents)

Forward Citations (Not Self Cited) = 688(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1998-2025

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Areas of Expertise:
Telecommunication
Call Flow
Wireless Femtocell
Intelligent Network
Voice Call Routing
IMS Applications
Mobile Application Gateway
Enterprise Subscribers
66 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Patricia A. Landgren

Introduction

Patricia A. Landgren, based in Plano, TX, is a prominent inventor known for her significant contributions to telecommunications. With an impressive portfolio of 63 patents, her work primarily focuses on enhancing communication systems and methods, particularly in mobile networks.

Latest Patents

Among her latest patents, one of the most noteworthy is the "System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications network." This invention allows users to utilize an alternative numbering plan for delivering short messages to mobile subscribers through the public mobile telephone network. By using an alternative enterprise directory number, such as an office number, the system facilitates seamless communication between users, regardless of their network affiliations. Additionally, Landgren's "Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks" showcases her commitment to bridging cellular and enterprise networks. This invention empowers enterprises to control call management and leverage new business models for cellular service procurement while ensuring compatibility with existing telecom systems.

Career Highlights

Patricia has spent a significant portion of her career at reputable organizations, including Tango Networks, Inc. and Nortel Networks Corporation. Her tenure in these companies has contributed to advancing telecommunications technology and improving consumer and enterprise mobile experiences.

Collaborations

Throughout her career, Landgren has collaborated with notable professionals in the field, including Andrew Silver and Lathan W. Lewis. These partnerships have fostered innovation and have played a role in shaping the landscape of mobile communications.

Conclusion

Patricia A. Landgren's innovations and patents have made a substantial impact on the telecommunications industry. Her inventive spirit and dedication to enhancing communication systems continue to influence how we connect and interact in an increasingly digital world. As she continues to innovate, her contributions will undoubtedly pave the way for future advancements in telecommunications.

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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