Average Co-Inventor Count = 1.82
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. Sercel Inc. (3 from 159 patents)
2. Cggveritas Services (u.s.) Inc. (1 from 7 patents)
4 patents:
1. 11988788 - Device for marine seismic explorations for deposits
2. 11852763 - Method and device for reducing bucking of pneumatic seismic sources
3. 11598891 - Low frequency and ultra low frequency seismic source having multiple operating heads for marine exploration
4. 7646670 - Autonomous ocean bottom seismic node recording device