Average Co-Inventor Count = 3.20
ph-index = 4
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 Public Limited Company (4 from 838 patents)
4 patents:
1. 6042958 - Composite membranes
2. 6010606 - Gas diffusion electrodes
3. 5865968 - Gas diffusion electrodes
4. 5716437 - Materials for use in electrode manufacture