Average Co-Inventor Count = 2.00
ph-index = 1
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. Ribbit Corporation (2 from 3 patents)
2. Bt Americas Inc. (1 from 2 patents)
3 patents:
1. 9609138 - Cross-media voice mail notification and delivery
2. 8320533 - System and method for replying to voice messages left by callers
3. 8155281 - Cross-media voice mail notification and delivery