Average Co-Inventor Count = 4.00
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. Sonoco Products Company (2 from 185 patents)
2 patents:
1. 5804284 - Paperboard for manufacturing single-layer paperboard tube-forming plies
2. 5573638 - Paperboard for manufacturing single-layer paperboard tube-forming plies