Average Co-Inventor Count = 2.86
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. Nsk Corporation (2 from 2,430 patents)
2 patents:
1. 6343683 - Clutch-release bearing unit
2. 5569105 - Damper apparatus for an autotensioner