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. Oy Sisu-auto Ab (2 from 4 patents)
2. Tamrock Oy (1 from 37 patents)
3 patents:
1. 6135484 - Tow bar construction for transport vehicles and transport vehicle
2. 5255754 - Axle construction for a commercial vehicle
3. 4842302 - Lifting bogie for a vehicle