Average Co-Inventor Count = 1.50
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. Phillips Petroleum Company (3 from 5,071 patents)
3 patents:
1. 5386073 - HF alkylation process
2. 5296199 - Heat exchanger in an HF alkylation apparatus
3. 4972903 - Heat exchanger