Average Co-Inventor Count = 3.43
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. Alcan International Limited (1 from 495 patents)
2. Ceramesh Limited (1 from 1 patent)
2 patents:
1. 5259957 - Porous membranes suitable for separation devices and other uses
2. 5232598 - Porous inorganic membranes