Average Co-Inventor Count = 4.00
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. Facebook, Inc. (4 from 5,341 patents)
2. America Online, Inc. (1 from 179 patents)
5 patents:
1. 10122658 - System for instant messaging the sender and recipients of an e-mail message
2. 9100221 - Systems for messaging senders and recipients of an electronic message
3. 9043418 - Systems and methods for instant messaging persons referenced in an electronic message
4. 8474628 - Presenting a recipient of an e-mail with an option to instant message a sender or another recipient based on the sender's or the other recipient's address and online status
5. 6912564 - System for instant messaging the sender and recipients of an e-mail message