Average Co-Inventor Count = 1.33
ph-index = 4
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)
2. Other (1 from 832,880 patents)
4 patents:
1. 4219191 - Document feeding apparatus
2. 4171127 - Apparatus for collating pages of multi-up printed documents
3. 4101121 - Document folding apparatus
4. 4078789 - Document inverter