Average Co-Inventor Count = 1.50
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. Ab Stil-industri (3 from 5 patents)
3 patents:
1. 4571471 - Vehicle safety belt lock having an electric contact
2. 4569535 - Device in locks for vehicle safety belts
3. 4454634 - Safety belt buckle