Average Co-Inventor Count = 5.00
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. Kuraray Co., Ltd. (2 from 1,866 patents)
2 patents:
1. 4874522 - Polysulfone hollow fiber membrane and process for making the same
2. 4279752 - Polyvinyl alcohol semi-permeable membrane and method for producing same