Average Co-Inventor Count = 6.18
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. Scientific Games Holdings Limited (6 from 60 patents)
6 patents:
1. 9324213 - System and method for increasing player participation
2. 8821295 - User-controlled sweepstakes entries
3. 8784185 - System and method for conducting a game of chance
4. 8597109 - System and method for increasing player participation
5. 8435119 - User-controlled sweepstakes entries
6. 8398479 - System and method for conducting a game of chance