Average Co-Inventor Count = 2.25
ph-index = 1
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 (3 from 5,892 patents)
2. Research in Motion Corporation (4,495 patents)
3 patents:
1. 8953246 - Lens-based image augmenting optical window with intermediate real image
2. 8838259 - Frequency-specific determination of audio dose
3. 8660677 - Sound pressure level-aware music playlists