Average Co-Inventor Count = 2.67
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. (4 from 2,979 patents)
4 patents:
1. 4809186 - Postage meter for metering mixed weight mail
2. 4573174 - Electronic postage meter having interlock between mechanical and
3. 4525786 - Electronic postage meter having a one time actuable operating program to
4. 4325440 - Method and system for computing special fees in a parcel postage