Average Co-Inventor Count = 2.00
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. Amoco Corporation (2 from 1,528 patents)
2 patents:
1. 5494108 - Method for stimulating a coal seam to enhance the recovery of methane
2. 5419396 - Method for stimulating a coal seam to enhance the recovery of methane