Average Co-Inventor Count = 2.67
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. Northrop Grumman Systems Corporation (2 from 3,385 patents)
2 patents:
1. D471854 - Supersonic aircraft
2. 5399855 - Atmospheric exclusion system having an expandable shroud and a