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. Nsk Corporation (3 from 2,430 patents)
3 patents:
1. 611934 - Method for manufacturing balls for bearing and products thereby
2. 6119347 - Method for manufacturing balls for bearing and products thereby
3. 5603576 - Method for manufacturing balls for bearing and products thereby