Average Co-Inventor Count = 2.00
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. Ncr Corporation (2 from 4,491 patents)
2. Ncr Corporaiton (1 from 1 patent)
3 patents:
1. 7490780 - Card reader
2. 7458516 - Card reader
3. 7354003 - Card reader