Average Co-Inventor Count = 2.00
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. Lockheed Martin Corporation (2 from 5,267 patents)
2 patents:
1. 9459344 - Ship position and velocity using satellite ephemerides and radar range measurement of satellite
2. 8963764 - Ship heading and pitch using satellite ephemerides and radar range measurement of satellite