Average Co-Inventor Count = 7.00
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. Other (1 from 832,912 patents)
3. Johnson Matthey Inc. (268 patents)
3 patents:
1. 11478748 - Transition metal/zeolite SCR catalysts
2. 8906820 - Transition metal/zeolite SCR catalysts
3. 8603432 - Transition metal/zeolite SCR catalysts