Average Co-Inventor Count = 4.00
ph-index = 4
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. Chevron Research Company (2 from 1,860 patents)
2. Other (1 from 832,912 patents)
3. Shell Internationale Research Maatschappij, B.v. (1 from 154 patents)
4 patents:
1. 4729981 - ROR-activated catalyst for synthesis gas conversion
2. 4670414 - Activated cobalt catalyst and synthesis gas conversion using same
3. 4605679 - Activated cobalt catalyst and synthesis gas conversion using same
4. 4605676 - Synthesis gas conversion using ROR-activated catalyst