Average Co-Inventor Count = 3.75
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. Nabtesco Corporation (2 from 379 patents)
2. Chiba Institute of Technology (1 from 20 patents)
2 patents:
1. 11320037 - Speed reducer
2. 10724604 - Speed reducing device