Average Co-Inventor Count = 4.00
ph-index = 2
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 (1 from 5,267 patents)
2. Bae Systems Information and Electronic Systems Integration Inc. (1 from 1,785 patents)
2 patents:
1. 6510227 - Satellite telephone handset
2. D414486 - Dual mode telephone handset