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. Norton Company (2 from 425 patents)
2 patents:
1. 4657563 - Resin bonded grinding wheels with fillers
2. 4575384 - Grinding wheel for grinding titanium