Average Co-Inventor Count = 2.00
ph-index = 1
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 2,433 patents)
2 patents:
1. 7189144 - Centerless grinding apparatus and centerless grinding method
2. 6986702 - Centerless grinding apparatus and centerless grinding method