Average Co-Inventor Count = 2.00
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. Johnson Matthey Hydrogen Technologies Limited (1 from 11 patents)
2. Johnson Matthey Hydrogen Technologies Limted (1 from 1 patent)
2 patents:
1. 12249744 - Catalysed, ion-conducting membrane
2. 11705568 - Catalysed membrane