Average Co-Inventor Count = 2.67
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. 10352365 - Power transmission shaft and spline-processing method
2. D814366 - Tripod kit for tripod type constant velocity joint