Average Co-Inventor Count = 2.40
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. Energy Absorption Systems, Inc. (4 from 91 patents)
4 patents:
1. 10006179 - Crash cushion
2. 9790653 - Energy absorbing vehicle barrier
3. 8974142 - Crash cushion
4. 8469626 - Energy absorbing vehicle barrier