Average Co-Inventor Count = 1.50
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. Norton S.a. (2 from 3 patents)
2 patents:
1. 5695394 - Abrasive grinding wheels
2. 5658194 - Super abrasive grinding wheels