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Naperville, IL, United States of America

Thomas D Stemen

Average Co-Inventor Count = 4.39

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 57

Thomas D StemenWilliam C Kastilahn (9 patents)Thomas D StemenEdward A Marcheselli (9 patents)Thomas D StemenGary Dispensa (9 patents)Thomas D StemenZhiqian Wang (4 patents)Thomas D StemenThomas D Stemen (9 patents)William C KastilahnWilliam C Kastilahn (22 patents)Edward A MarcheselliEdward A Marcheselli (12 patents)Gary DispensaGary Dispensa (10 patents)Zhiqian WangZhiqian Wang (16 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shoppertrak Rct Corporation (5 from 32 patents)

2. Sensormatic Electronics Corporation (4 from 873 patents)


9 patents:

1. 12039803 - Techniques for automatically identifying secondary objects in a stereo-optical counting system

2. 11657650 - Techniques for automatically identifying secondary objects in a stereo-optical counting system

3. 10936859 - Techniques for automatically identifying secondary objects in a stereo-optical counting system

4. 10733427 - System and method for detecting, tracking, and counting human objects of interest using a counting system and a data capture device

5. 10410048 - System and method for detecting, tracking and counting human objects of interest using a counting system and a data capture device

6. 10402631 - Techniques for automatically identifying secondary objects in a stereo-optical counting system

7. 9734388 - System and method for detecting, tracking and counting human objects of interest using a counting system and a data capture device

8. 9305363 - System and method for detecting, tracking and counting human objects of interest using a counting system and a data capture device

9. 9177195 - System and method for detecting, tracking and counting human objects of interest using a counting system and a data capture device

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12/13/2025
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