Average Co-Inventor Count = 2.53
ph-index = 4
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. Johns Manville (4 from 1,012 patents)
4 patents:
1. 6864194 - Reinforced membranes for roofing and other applications
2. 6818694 - Filler extended fiberglass binder
3. 6793993 - Fire resistant polymeric film and insulation assembly
4. 6764968 - Reinforced roofing membranes