Average Co-Inventor Count = 4.00
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. Ion Geophysical Corporation (1 from 99 patents)
2. Input/output, Inc. (1 from 87 patents)
2 patents:
1. 7613071 - Seismic telemetry system with steerable antennas
2. 7218890 - Seismic telemetry system