Average Co-Inventor Count = 3.00
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. Toyo Boseki Kabushiki Kaisha (2 from 789 patents)
2 patents:
1. 4681713 - Method of making a hollow fiber membrane for dialysis
2. 4587168 - Hollow fiber membrane for dialysis