Average Co-Inventor Count = 2.25
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. Pitney Bowes Inc. (3 from 2,979 patents)
3 patents:
1. 6104809 - Apparatus for verifying an identification card
2. 5469506 - Apparatus for verifying an identification card and identifying a person
3. 5023598 - Digital signal processor for electronic article gates