Average Co-Inventor Count = 5.39
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. Fichtel & Sachs Ag (3 from 558 patents)
2. Mannesmann Sachs Ag (2 from 353 patents)
5 patents:
1. 6564914 - Hydrodynamic coupling device
2. 5988981 - Pump impeller for a torque converter
3. 5813227 - Hydrokinetic torque converter with stabilizer ring on the blade wheels
4. 5553693 - Hydrokinetic torque converter with lock-up clutch
5. 5515956 - Hydrokinetic torque converter