Average Co-Inventor Count = 2.57
ph-index = 3
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. 5703427 - Surface-wave distributed acoustic reflection transducer and filter
2. 5475348 - Surface wave filter filtering delay transfer function
3. 5307035 - Low loss surface wave filter