Average Co-Inventor Count = 3.04
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. Verizon Business Global LLC (4 from 289 patents)
2. Mci, Inc. (2 from 161 patents)
6 patents:
1. 7916842 - Systems and methods for providing voicemail services including caller identification
2. 7646857 - Systems and methods for providing voicemail services including caller identification
3. 7573985 - Systems and methods for facilitating communications involving hearing-impaired parties
4. 7532710 - Systems and methods for providing voicemail services
5. 7177406 - Systems and methods for providing portable voicemail services
6. 7142642 - Systems and methods for facilitating communications involving hearing-impaired parties