Average Co-Inventor Count = 3.35
ph-index = 20
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. Ultratec, Inc. (51 from 98 patents)
2. Other (2 from 832,680 patents)
3. Ultratec, Incl (1 from 1 patent)
55 patents:
1. 12489839 - 911 call assistance for assisted device user
2. 12335437 - Device independent text captioned telephone service
3. 12244752 - Text assisted telephony on wireless device method and apparatus
4. 12231600 - Dual compatibility phone system
5. 12166920 - Communication device and methods for use by hearing impaired
6. 11936809 - Dual compatibility phone system
7. 11895257 - Text assisted telephony on wireless device method and apparatus
8. 11856123 - Text assisted telephony on wireless device method and apparatus
9. 11825008 - 911 call assistance for assisted device user
10. 11611644 - 911 call assistance for assisted device user
11. 11588936 - Communication device and methods for use by hearing impaired
12. 11570300 - Dual compatibility phone system
13. 11570291 - Text assisted telephony on wireless device method and apparatus
14. 11272047 - 911 call assistance for assisted device user
15. 11258900 - Device independent text captioned telephone service