Average Co-Inventor Count = 3.00
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. Ntn Corporation (1 from 2,462 patents)
2. Ntn Driveshaft, Inc. (1 from 1 patent)
1 patent:
1. 8454767 - Heat treatment method, outer joint member, and tripod type constant velocity universal joint