Average Co-Inventor Count = 2.57
ph-index = 4
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. Igt (6 from 4,354 patents)
6 patents:
1. 8974285 - Advantage bingo bonus
2. 8636587 - Method and apparatus for awarding a mystery promotional ticket
3. 8616961 - Apparatus and methods for implementing bonuses in gaming machine networks using weighted pay tables
4. 8540562 - Advantage bingo bonus
5. 8241111 - Method and apparatus for awarding a mystery promotional ticket
6. 8157644 - Apparatus and methods for implementing bonuses in gaming machine networks using weighted pay tables