Average Co-Inventor Count = 1.93
ph-index = 3
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 (4 from 5,895 patents)
2. Research in Motion Corporation (2 from 4,495 patents)
6 patents:
1. 9040850 - Assembling a keypad to a mobile device
2. 8984737 - Method of manufacturing keycaps of keys of a keyboard
3. 8749700 - Combined camera and flash lens
4. 8660621 - Mobile phone
5. D636384 - Keypad
6. D627768 - Keypad