% Expired Patents = 100.0

Forward Citations = 42

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3 inventors (with patents filed for the assignee):

Yohannes Tesfai (4 out of 19 patents)

Gary L Sugar (4 out of 62 patents)

Chandra Vaidyanathan (4 out of 34 patents)

4 patents: Sort by Forward Citations

1. 9014172 - High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios (2015-04-21),

2. 8687560 - Unsynchronized time-of-flight-based wireless positioning system using network broadcasts (2014-04-01),

3. 8265011 - High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios (2012-09-11),

4. 8179816 - System and method for high resolution indoor positioning using a narrowband RF transceiver (2012-05-15),

Diani Systems, Inc. is a leading technology company specializing in IT solutions for businesses of all sizes. With a focus on innovation and customer satisfaction, we provide a wide range of services including software development, cloud computing, cybersecurity, and IT consulting. Our team of experts is dedicated to delivering high-quality solutions that help clients optimize their operations and achieve their business goals.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#2 in Ijamsville, MD

#895 in Maryland

#60,597 in US

Ijamsville, MD, United States of America

Diani Systems, Inc.

Forward Citations = 42

3 inventors:

Yohannes Tesfai (4 out of 19 patents)

Gary L Sugar (4 out of 62 patents)

Chandra Vaidyanathan (4 out of 34 patents)

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