Average Co-Inventor Count = 3.00
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 (3 from 4,372 patents)
2. Other (1 from 832,912 patents)
4 patents:
1. 12333890 - Symbol substitution system
2. 11881076 - Symbol substitution system
3. 11861970 - Symbol substitution system
4. 11562615 - Symbol substitution system