Average Co-Inventor Count = 2.35
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.
Company Filing History:
1. Telecommunication Systems, Inc. (9 from 432 patents)
2. Telecommunications Systems, Inc. (1 from 26 patents)
10 patents:
1. 9368022 - First responder wireless emergency alerting with automatic callback and location triggering
2. 9342975 - First responder wireless emergency alerting with automatic callback and location triggering
3. 8970366 - First responder wireless emergency alerting with automatic callback and location triggering
4. 8436728 - First responder wireless emergency alerting with automatic callback and location triggering
5. 8102252 - First responder wireless emergency alerting with automatic callback and location triggering
6. 8032166 - Wireless network location-based reference information
7. 7904100 - Wireless network location-based reference information
8. 7899473 - Wireless network location-based reference information
9. 7548158 - First responder wireless emergency alerting with automatic callback and location triggering
10. 6788927 - Financing party payment for calls with a wireless subscriber