Average Co-Inventor Count = 3.32
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. Automotive Products, Inc. (2 from 295 patents)
2. Ap Atm Limited (1 from 1 patent)
3 patents:
1. 6402621 - Torsional vibration dampers
2. 5271488 - Friction facings and carrier assembly
3. 5199540 - Friction facing material and carrier assembly