Average Co-Inventor Count = 4.00
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. Datacard Corporation (2 from 141 patents)
2 patents:
1. 4778982 - System for entering integrated data on the face of an integrated chip
2. 4701600 - System for entering initializing data on the rear face of an integrated