Average Co-Inventor Count = 2.12
ph-index = 5
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. Nds Corporation (6 from 126 patents)
6 patents:
1. 8397255 - Advanced television system
2. 7997985 - Interactive inter-channel game
3. 7306522 - Interactive inter-channel game
4. 7149309 - Time-dependent authorization
5. 7013293 - Portable transaction device
6. 6424947 - Distributed IRD system