For the Inventor, By the Inventor

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Cambridge, MA, United States of America

Groundhog Technologies Inc.

USPTO Granted Patents = 9

EPO Patents = 3

Forward Citations = 39

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25 inventors (with patents filed for the assignee):

Ta-Gang Chiou (4 out of 10 patents)

Meng-Seng Chen (3 out of 3 patents)

Chao-Chi Chang (2 out of 4 patents)

4. Chun-chih Yeh (2 out of 2 patents)

5. Hsiao-Tse Chang (1 out of 4 patents)

6. Jung Lai Tsai (1 out of 1 patent)

7. Yu Chun Wan (1 out of 1 patent)

8. Ta Gang Chiou (1 out of 1 patent)

9. Shu Yuan Lin (1 out of 1 patent)

10. Wei-Ling Chang (1 out of 2 patents)

11. Wei-Guang Teng (1 out of 1 patent)

12. Ta-gang Chiou (1 out of 1 patent)

13. Constantin Chiscanu (1 out of 1 patent)

14. Ching-Jui Hsiao (1 out of 1 patent)

15. Ming-Hui Young (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 8583108 - Methods and system for detecting roaming location of mobile network (2013-11-12),

2. 8549406 - Management system and method for wireless communication network and associated graphic user interface (2013-10-01),

3. 8346208 - Method and system for identifying mobile user cluster by call detail record (2013-01-01),

4. 8031676 - System for constructing a mobility model for use in mobility management in a wireless communication system and method thereof (2011-10-04),

5. 7747254 - Management system and method for wireless communication network and associated user interface (2010-06-29),

6. 7561876 - System with user interface for network planning and mobility management optimization in a mobile communication network and method thereof (2009-07-14),

7. 7515912 - Method for deployment scheduling for mobile communication network (2009-04-07),

8. 7477895 - Method for determining registration areas in a wireless communication system (2009-01-13),

9. 7263358 - Method for detecting and reducing ping-pong handover effect of cellular network (2007-08-28),

Groundhog Technologies Inc. is a leading provider of real-time geolocation intelligence and analytics solutions for mobile network operators. With a focus on optimizing network performance and customer experience, Groundhog Technologies helps operators make data-driven decisions to enhance network efficiency and drive business growth. Their innovative technology enables operators to accurately track and analyze subscriber behavior, network performance, and usage patterns in real-time, allowing them to proactively address issues and deliver personalized services to their customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#224 in Cambridge, MA

#1,866 in Massachusetts

#31,603 in US

Cambridge, MA, United States of America

Groundhog Technologies Inc.

Forward Citations = 39

25 inventors:

Ta-Gang Chiou (4 out of 10 patents)

Meng-Seng Chen (3 out of 3 patents)

Chao-Chi Chang (2 out of 4 patents)

4. Chun-chih Yeh (2 out of 2 patents)

5. Hsiao-Tse Chang (1 out of 4 patents)

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