Average Co-Inventor Count = 1.75
ph-index = 2
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. Blackberry Corporation (2 from 5,891 patents)
2. Research in Motion Corporation (2 from 4,495 patents)
4 patents:
1. 9137280 - Wireless communication systems
2. 9014725 - Method and system for enhanced security using location based wireless authentication
3. 8352550 - Wireless communication systems
4. 7221949 - Method and system for enhanced security using location-based wireless authentication