Average Co-Inventor Count = 4.00
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. Sierra On-Line (2 from 7 patents)
2 patents:
1. 5430835 - Method and means for computer sychronization of actions and sounds
2. 5377997 - Method and apparatus for relating messages and actions in interactive