Average Co-Inventor Count = 3.11
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. Sartorius Ag (2 from 139 patents)
2 patents:
1. 5739316 - Cross-linked cellulose hydrate membranes
2. 5562827 - Heat-sterilizable spiral-wound membrane filter cartridge