Average Co-Inventor Count = 3.00
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. Kapman Ab (2 from 56 patents)
2 patents:
1. D538129 - Screwdriver
2. 7021177 - Hand tool