Average Co-Inventor Count = 4.90
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. (4 from 2,979 patents)
4 patents:
1. 4853864 - Mailing systems having postal funds management
2. 4821195 - Method and apparatus for sequentially numbering mail pieces
3. 4800505 - Mail preparation system
4. 4778018 - Apparatus and method of determining the mass of an article by measuring