Average Co-Inventor Count = 4.90
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 1,011 patents)
4 patents:
1. 6565040 - Burn through resistant systems for transportation, especially aircraft
2. 6322022 - Burn through resistant systems for transportation, especially aircraft
3. 6294491 - Lightweight glass fiber insulation
4. 5962107 - Perforated cellular sound absorption material