Average Co-Inventor Count = 1.50
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. 4839813 - Computerized parcel shipping system
2. 4718506 - Prom card arrangement for postal/shipping scale
3. 4713769 - Method and apparatus for locating and displaying historical information