Average Co-Inventor Count = 1.33
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. Verifone Gmbh (2 from 213 patents)
2 patents:
1. 5438184 - Method and apparatus for electronic cash transactions
2. 5324922 - Apparatus and method for managing transactions