Average Co-Inventor Count = 1.36
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. Sonoco Development Incorporated (1 from 635 patents)
3 patents:
1. 7842362 - Water-resistant wound paperboard tube
2. 4670311 - Impregnated fibrous laminates
3. 4582735 - Impregnated fibrous laminates