Average Co-Inventor Count = 2.00
ph-index = 1
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. Vesuvius Crucible Company (1 from 124 patents)
2. Mike Hankin (0 patent)
3. Philippe Guillo (0 patent)
1 patent:
1. 6008152 - Refractory material of vitreous silica