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. Thomson-csf (3 from 2,692 patents)
3 patents:
1. 6065349 - Prestressed annular acoustic transducer
2. 5795203 - Air-launched buoy
3. 5784341 - Underwater acoustic transmitter for large submersion