Average Co-Inventor Count = 2.00
ph-index = 1
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 (4 from 4,363 patents)
4 patents:
1. 11749055 - Gaming device having extending wild symbols
2. 11587391 - Gaming device having extending wild symbols
3. 11113924 - Gaming device having extending wild symbols
4. 9293014 - Gaming device having persistently extending wild symbols