Average Co-Inventor Count = 2.25
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. Exxon Research and Engineering Company (3 from 4,227 patents)
3 patents:
1. 4668825 - Production of methanethiol from H.sub.2 S and CO
2. 4570020 - Production of methanethiol from H.sub.2 S and CO
3. 4517171 - Synthesis of H.sub.2 and CH.sub.4 from H.sub.2 S and CO