Average Co-Inventor Count = 3.53
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. Telecommunication Systems, Inc. (10 from 432 patents)
10 patents:
1. 9602968 - Area watcher for wireless network
2. 9602967 - Location derived presence information
3. 9398419 - Location derived presence information
4. 9154906 - Area watcher for wireless network
5. 8983048 - Location derived presence information
6. 8532277 - Location derived presence information
7. 8032112 - Location derived presence information
8. 7856236 - Area watcher for wireless network
9. 7426380 - Location derived presence information
10. 7321773 - Area watcher for wireless network