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. Asahi Kasei Kogyo Kabushiki Kaisha (2 from 1,297 patents)
2 patents:
1. 4351860 - Polyaryl ether sulfone semipermeable membrane and process for producing
2. 4286015 - Polyaryl ether sulfone semipermeable membrane and process for producing