Average Co-Inventor Count = 6.15
ph-index = 2
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. Scientific Games Corporation (1 from 30 patents)
2. Panda Eng. Inc. (1 from 7 patents)
2 patents:
1. 6875105 - Lottery ticket validation system
2. 6491215 - Electronic verification machine for documents