Average Co-Inventor Count = 2.40
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. 4970699 - Method for color mapping geophysical data
2. 4945519 - Method of geophysical exploration