Average Co-Inventor Count = 7.00
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 Public Limited Company (1 from 837 patents)
2. Johnson Matthey Inc. (268 patents)
1 patent:
1. 8551411 - Exhaust system for lean-burn internal combustion engine comprising Pd-Au-alloy catalyst