Average Co-Inventor Count = 4.00
ph-index = 1
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 (1 from 1,398 patents)
2. Imperial Oil Resources (14 patents)
1 patent:
1. 8256511 - Use of a heavy petroleum fraction as a drive fluid in the recovery of hydrocarbons from a subterranean formation