Average Co-Inventor Count = 3.87
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. Psi Systems, Inc. (4 from 29 patents)
4 patents:
1. 9262872 - Postage sheet product
2. 8521653 - System and method for providing postage indicia
3. D602078 - Postage stamp label
4. D602077 - Postage stamp label sheet