Average Co-Inventor Count = 2.67
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. Zeon Corporation (2 from 1,237 patents)
2 patents:
1. 11969692 - Method of producing separation membrane
2. 11179681 - Separation membrane and method of producing separation membrane