Average Co-Inventor Count = 1.71
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. Other (3 from 832,961 patents)
3 patents:
1. 6347813 - Interactive probe system for games and books
2. 6027408 - Interactive probe game
3. 5890717 - Interactive probe game