Average Co-Inventor Count = 4.00
ph-index = 1
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. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
1 patent:
1. 4770778 - Hollow fiber semipermeable membrane element and a method of producing