Average Co-Inventor Count = 2.00
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. Bally Manufacturing Company (1 from 3 patents)
2. Scientific Games of California, Inc. (1 from 2 patents)
2 patents:
1. 4835624 - High-speed magnetic encoding apparatus and method
2. 4760247 - Optical card reader utilizing area image processing