Average Co-Inventor Count = 3.00
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. Ncr Corporation (2 from 4,491 patents)
2. Ncr Canada Ltd. -- Ncr Canada Ltee (1 from 51 patents)
3 patents:
1. 4681468 - Thermal printing apparatus
2. 4648591 - Apparatus for pocketing documents in vertically aligned pockets
3. 4431322 - Multiple path recording means