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. Lockheed Martin Corporation (2 from 5,261 patents)
2 patents:
1. 7464650 - Ground handling system for an airship
2. D536053 - Gun cupola