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For the Inventor, By the Inventor

Annapolis, MD, United States of America

Telecommunication Systems, Inc.


USPTO Granted Patents = 432

% Expired Patents = 61.3



Trademarks = 15

Forward Citations = 6,239

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235 inventors (with patents filed for the assignee):

goldMedal Gordon John Hines (40 out of 45 patents)

silverMedal Yinjun Zhu (34 out of 41 patents)

bronzeMedal Mark Titus (31 out of 31 patents)

4.  Roger Stuart Marshall (30 out of 35 patents)

5.  Richard A Smith (28 out of 30 patents)

6.  Lance Douglas Pitt (28 out of 29 patents)

7.  Dara Ung (27 out of 28 patents)

8.  Michael A Sheha (26 out of 47 patents)

9.  Richard Lee Dickinson (26 out of 38 patents)

10.  Angie Sheha (25 out of 46 patents)

11.  Stephen Petilli (21 out of 46 patents)

12.  Victor C Burton (21 out of 24 patents)

13.  Don P Mitchell (19 out of 23 patents)

14.  Mark D Goddard (18 out of 26 patents)

15.  John Gordon Hines (15 out of 16 patents)


Core Competencies:
GNSS
Emergency Services
Wireless Proxy
Location Accuracy
Geofencing
Navigational Guidance
Voice Over Internet Protocol
Mobile Device Tracking
Presence Information
Dynamic Mapping
SMS Messaging
Load Balancer

432 patents:

1. 10614728 - Scoring server (2020-04-07),
2. 10104528 - Supplemental location information for an emergency services call (2018-10-16),
3. 9900754 - Wireless internet gateway limiting message distribution (2018-02-20),
4. 9857476 - GNSS long-code acquisition, ambiguity resolution, and signal validation (2018-01-02),
5. 9763084 - Secure location session manager (2017-09-12),
6. 9748629 - Troposcatter antenna pointing (2017-08-29),
7. 9743378 - Associating metro street address guide (MSAG) validated addresses with geographic map data (2017-08-22),
8. 9730024 - Method and system for saving and retrieving spatial related information (2017-08-08),
9. 9686629 - Remotely provisioned wireless proxy (2017-06-20),
10. 9658341 - GNSS long-code acquisition, ambiguity resolution, and signal validation (2017-05-23),
11. 9648460 - System and method for location assurance of a mobile device (2017-05-09),
12. 9628521 - Hybrid location (2017-04-18),
13. 9625268 - Navigational lane guidance (2017-04-18),
14. 9612122 - Intelligent reverse geocoding (2017-04-04),
15. 9602968 - Area watcher for wireless network (2017-03-21),
Company Overview
Telecommunication Systems, Inc., based in Annapolis, MD, specializes in location-based services that leverage advanced technologies such as Global Navigation Satellite Systems (GNSS) and wireless proxy solutions. The company focuses on enhancing location accuracy and providing critical emergency services through innovative applications like geofencing and navigational guidance. Additionally, it develops voice over internet protocol (VoIP) solutions and mobile device tracking systems, positioning itself as a leader in the evolving landscape of telecommunications and location intelligence.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Telecommunication Systems, Inc. USPTO Patent Assignee Logo
432 Patents

#1 in Annapolis, MD

#13 in Maryland

#1,098 in US

#2,194 in the World

Annapolis, MD (US)
Annapolis, MD, United States of America

Telecommunication Systems, Inc.

Forward Citations = 6,239

235 inventors:

goldMedal Gordon John Hines (40 out of 45 patents)

silverMedal Yinjun Zhu (34 out of 41 patents)

bronzeMedal Mark Titus (31 out of 31 patents)

4.  Roger Stuart Marshall (30 out of 35 patents)

5.  Richard A Smith (28 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Telecommunication Systems, Inc.. Retrieved from https://idiyas.com/company/telecommunication-systems

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

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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