Average Co-Inventor Count = 3.16
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. Igt (5 from 4,354 patents)
5 patents:
1. 10032339 - Method and system including enhanced symbol upgrade feature
2. 8740691 - Gaming device and method for providing a free spin game with payline multipliers
3. 8425316 - Methods and systems for improving play of a bonus game on a gaming machine and improving security within a gaming establishment
4. 8419525 - Gaming device and method for providing a free spin game with payline multipliers
5. 8277305 - Gaming device and method for providing a free spin game with payline multipliers