Average Co-Inventor Count = 2.53
ph-index = 3
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. International Business Machines Corporation (4 from 164,221 patents)
4 patents:
1. D377167 - Card reader device
2. 5186335 - Adjustment document storage device for a document sorter
3. 5151948 - System and method for processing documents having amounts recorded
4. 5040227 - Image balancing system and method