Average Co-Inventor Count = 3.55
ph-index = 5
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.
Company Filing History:
1. Timekeeping Systems, Inc. (7 from 14 patents)
7 patents:
1. 11105909 - Tracking system for persons and/or objects
2. 9633541 - Display system for tracking large numbers of persons and/or objects
3. 7778802 - Wireless devices as guard tour checkpoint data collection and checkpoint data communication devices
4. 7363196 - Guard tour system
5. 7345577 - Displays for reporting guard tour data
6. 7027955 - Guard tour system incorporating a positioning system
7. 6834259 - Guard tour system