Average Co-Inventor Count = 4.44
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. Rohm Gmbh (2 from 362 patents)
2 patents:
1. 4324832 - Method of impregnating web structures with a synthetic resin
2. 3937648 - Method of making paper having a high resin fill