Average Co-Inventor Count = 7.50
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. Johnson Matthey Public Limited Company (2 from 837 patents)
2 patents:
1. 10603655 - NOx adsorber catalyst
2. 10151227 - Nitrogen oxides (NOx) storage catalyst