Average Co-Inventor Count = 2.00
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. Nsk Corporation (2 from 2,430 patents)
2 patents:
1. 6316900 - Single shaft type table feed device
2. 6191548 - Single shaft type table feed device