Average Co-Inventor Count = 3.43
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. Ntn Corporation (2 from 2,462 patents)
2 patents:
1. 12129896 - Power transmission mechanism and vehicle
2. 6506121 - Cage for constant-velocity joint and method for manufacturing the same