Average Co-Inventor Count = 2.86
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. Exxonmobil Upstream Research Company (2 from 1,398 patents)
2. Imperial Oil Resources (14 patents)
2 patents:
1. 9810050 - Enhanced coal-bed methane production
2. 9784140 - Processing exhaust for use in enhanced oil recovery