Average Co-Inventor Count = 2.93
ph-index = 4
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. Sippican, Inc. (4 from 16 patents)
2. Sonatech, Inc. (1 from 9 patents)
4 patents:
1. 5666900 - Method and apparatus for deploying an expendable autonomous underwater
2. 5537947 - Expendable underwater vehicle
3. 5490473 - Expendable underwater vehicle
4. 5487350 - Expendable underwater vehicle