Average Co-Inventor Count = 3.00
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. Union Oil Company of California (3 from 1,113 patents)
3 patents:
1. 4568449 - Hydrotreating catalyst and process
2. 4540483 - Hydrotreating process
3. 4513097 - Hydrotreating catalyst and a method for preparing the catalyst