Average Co-Inventor Count = 2.70
ph-index = 27
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 (138 from 4,495 patents)
2. Blackberry Corporation (12 from 5,895 patents)
3. Steven R. Green (0 patent)
4. Alexander I. Bersenev (0 patent)
5. Roman Peter Rak (0 patent)
6. Michael Lorne Purdy (0 patent)
151 patents:
1. 9292100 - Method and apparatus pertaining to a touch typing-friendly grid-patterned keyboard
2. 9256295 - Outwardly decreasing height keys for a handheld electronic device keyboard
3. 9122315 - Expandable keyboard
4. 9075576 - Keypads for mobile devices and method of manufacturing the same
5. 8963744 - Key system for an electronic device
6. 8822861 - Keypad assembly for a portable electronic device
7. 8760404 - Method and apparatus pertaining to a touch typing-friendly grid-patterned keyboard
8. 8704648 - Reconfigurable keyfield on a communication device
9. 8611971 - Hinging interconnector for a clamshell handheld electronic communication device
10. D691982 - Handheld electronic device
11. D691578 - Handheld electronic device
12. 8553007 - Method and handheld electronic device including first input component and second touch sensitive input component
13. 8489157 - Handheld electronic device with extended dual-hinged interconnector
14. D685738 - Electronic device battery door
15. D685775 - Handheld electronic device