Average Co-Inventor Count = 2.64
ph-index = 44
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. (90 from 98 patents)
2. Other (5 from 832,843 patents)
3. Ultratec, Incl (1 from 1 patent)
4. Kevin R. Colwell (0 patent)
5. Robert M. Engelke (0 patent)
98 patents:
1. 12489839 - 911 call assistance for assisted device user
2. 12488799 - Semiautomated relay method and apparatus
3. 12482458 - Semiautomated relay method and apparatus
4. 12400660 - Semiautomated relay method and apparatus
5. 12335437 - Device independent text captioned telephone service
6. 12231600 - Dual compatibility phone system
7. 12166920 - Communication device and methods for use by hearing impaired
8. 12136425 - Semiautomated relay method and apparatus
9. 12136426 - Semiautomated relay method and apparatus
10. 12137183 - Semiautomated relay method and apparatus
11. 12035070 - Caption modification and augmentation systems and methods for use by hearing assisted user
12. 11936809 - Dual compatibility phone system
13. 11825008 - 911 call assistance for assisted device user
14. 11741963 - Semiautomated relay method and apparatus
15. 11664029 - Semiautomated relay method and apparatus