Average Co-Inventor Count = 4.21
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 (4 from 4,360 patents)
4 patents:
1. 6984174 - Method and apparatus for a player-controllable bonus game
2. 6964416 - Method of playing a matching bonus game
3. 6869361 - System, apparatus and method employing controller for play of shared bonus games
4. 6855054 - Gaming methods and apparatus using interchangeable symbols