Average Co-Inventor Count = 2.86
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 (1 from 425 patents)
2. Saint-gobain Industrial Ceramics, Inc. (1 from 48 patents)
2 patents:
1. 6258136 - Fixed abrasives for optical polishing
2. 5989301 - Optical polishing formulation