Average Co-Inventor Count = 7.00
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. Ntn Corporation (4 from 2,464 patents)
4 patents:
1. 10233981 - Clutch unit
2. 9618062 - Clutch unit
3. 9574623 - Clutch unit
4. 9074644 - Clutch unit