Average Co-Inventor Count = 2.76
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 833,002 patents)
4 patents:
1. 4962459 - System for accounting for postage expended by a postage meter having
2. 4941091 - Mail management system transaction data customizing and screening
3. 4908770 - Mail management system account validation and fallback operation
4. 4853864 - Mailing systems having postal funds management