Average Co-Inventor Count = 3.00
ph-index = 2
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. United States Postal Service (2 from 742 patents)
2 patents:
1. 6527170 - Electromagnetic postal indicia and method of applying same
2. 6527178 - Method for authenticating mailpieces