Average Co-Inventor Count = 6.00
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. Holcim Technology Ltd (1 from 92 patents)
2. Firestone Building Products Company, LLC (137 patents)
1 patent:
1. 12343957 - Asphaltic sheet materials including expandable graphite