Average Co-Inventor Count = 14.33
ph-index = 3
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. California Institute of Technology (4 from 4,554 patents)
4 patents:
1. D679646 - Descent stage for mars rover
2. D673482 - Mars rover
3. D488093 - Mars exploration rover Athena
4. D487715 - Mars exploration rover athena