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. International Paper Company (2 from 1,173 patents)
2 patents:
1. 5039003 - Paperboard food carton and divider
2. 4844330 - Paperboard food carton and divider