Average Co-Inventor Count = 5.00
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. Pgs Geophysical As (2 from 555 patents)
2 patents:
1. 12111438 - Repeating a previous marine seismic survey with a subsequent survey that employs a different number of sources
2. 11662491 - Repeating a previous marine seismic survey with a subsequent survey that employs a different number of sources