Average Co-Inventor Count = 3.71
ph-index = 3
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. (5 from 14 patents)
5 patents:
1. 11105909 - Tracking system for persons and/or objects
2. 10339174 - Automated location visit verification for officer monitoring systems
3. 7363196 - Guard tour system
4. 7027955 - Guard tour system incorporating a positioning system
5. 6834259 - Guard tour system