Average Co-Inventor Count = 3.33
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 832,843 patents)
4 patents:
1. 5239168 - Postage meter with barcode printing capability
2. 5190115 - Modular mailing machine with load cell scale
3. 5022080 - Electronic notary
4. 4980542 - Postal charge accounting system