Average Co-Inventor Count = 6.00
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 (Shanghai) Chemicals Limited (1 from 5 patents)
1 patent:
1. 11745173 - Tin incorporated catalysts for gasoline engine exhaust gas treatments