Average Co-Inventor Count = 6.00
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. Phillips Petroleum Company (2 from 5,071 patents)
2 patents:
1. 6790418 - Materials and method for the biological production of sulfuric acid
2. 6610268 - Method for the microbiological production of sulfuric acid