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. Toray Industries, Inc. (2 from 3,472 patents)
2 patents:
1. 6103117 - Polysulfone hollow fiber semipermeable membrane
2. 5938929 - Polysulfone hollow fiber semipermeable membrane