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. Input/output, Inc. (2 from 87 patents)
2 patents:
1. 6898147 - System for estimating azimuthal variations in seismic data
2. 6681184 - System for estimating azimuthal variations in seismic data