Average Co-Inventor Count = 1.36
ph-index = 3
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. Shell Oil Comapny (3 from 7,646 patents)
3 patents:
1. 5143596 - Process for upgrading a sulphur-containing feedstock
2. 4542248 - Process for the preparation of a C.sub.2 -C.sub.4 paraffin
3. 4469811 - Process for the preparation of a C.sub.2 -C.sub.4 paraffin