Average Co-Inventor Count = 3.43
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. Roquette Freres (2 from 370 patents)
2 patents:
1. 5129989 - Manufacturing process for paper
2. 4600439 - Composition and process for coating paper and cardboard process for