Average Co-Inventor Count = 2.00
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. Union Oil Company of California (2 from 1,113 patents)
2 patents:
1. 4904279 - Hydrocarbon fuel composition containing carbonate additive
2. 4891049 - Hydrocarbon fuel composition containing carbonate additive