Average Co-Inventor Count = 3.08
ph-index = 7
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. Research in Motion Corporation (9 from 4,495 patents)
2. Blackberry Corporation (8 from 5,895 patents)
3. Nortel Networks Corporation (3 from 4,171 patents)
4. Ahmed E. Hassan (0 patent)
5. John F. Wilson (0 patent)
6. Risvan Coskun (0 patent)
7. Daryl J. Martin (0 patent)
20 patents:
1. 9881324 - Apparatus and method of wireless instant messaging
2. 9560499 - System and method for controlling device usage
3. 9537830 - System and method to provide built-in and mobile VPN connectivity
4. 9172695 - System and method to provide built-in and mobile VPN connectivity
5. 8868047 - Apparatus and method of wireless instant messaging
6. 8831576 - Apparatus and methods for over the air provisioning of a single PDP context mobile communications device
7. 8782764 - System and method to provide built-in and mobile VPN connectivity
8. 8548452 - System and method for controlling device usage
9. 8442532 - System and method of handling IP layer mobility in a wireless network
10. 8121582 - Apparatus and method of wireless instant messaging
11. 8112797 - System and method to provide built-in and mobile VPN connectivity
12. 7882557 - System and method to provide built-in and mobile VPN connectivity
13. 7831258 - Method, system and apparatus for partial electronic message forwarding
14. 7583958 - Integrated message delivery over a plurality of transport mediums
15. 7518994 - System and method of handling IP layer mobility in a wireless network