Average Co-Inventor Count = 1.33
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. Kelsey-Hayes Company (2 from 577 patents)
2 patents:
1. 4412690 - Suspension system
2. 4386684 - Electric brake magnet