Average Co-Inventor Count = 1.60
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 (3 from 837 patents)
2. Johnson Matthey Inc. (268 patents)
4 patents:
1. 12058989 - Angling device
2. 10816533 - Method of marking hydrocarbon liquids
3. 10106754 - Method of marking hydrocarbon liquids
4. 9678054 - Method of marking hydrocarbon liquids