Average Co-Inventor Count = 1.20
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. Assa Ab (3 from 29 patents)
3 patents:
1. 5778712 - Cylinder lock/key combination, a key and a key blank therefor
2. 5542274 - Cylinder lock
3. 5148691 - Electrically and mechanically activatable lock mechanism