Average Co-Inventor Count = 3.00
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 (2 from 837 patents)
2 patents:
1. 7820448 - Waste materials sampling, assaying for desired components or metals, and refining
2. 7439070 - Waste material handling, sampling and metal content value calculation