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 (1 from 3,389 patents)
2. Northrop Grumman Space & Mission Systems Corporation (1 from 28 patents)
2 patents:
1. 8432448 - Stereo camera intrusion detection system
2. 7635921 - Self-powered mobile electrical power hub