Average Co-Inventor Count = 3.00
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. Shell Internationale Research Maatschappij, B.v. (2 from 154 patents)
2 patents:
1. 5122257 - Process for the manufacture of kerosene and/or gas oils
2. 4994171 - Process for the manufacture--gas oils