Average Co-Inventor Count = 1.20
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. At&t Intellectual Property I, LP (5 from 16,488 patents)
5 patents:
1. 9704138 - Calendar overlay features
2. 9300794 - Universal access to caller-specific ringtones
3. 8560370 - Methods, systems, and computer products for adding map component to address book
4. 8543441 - Map association with calendar entry
5. 7809816 - Imaging viewer systems and methods