Average Co-Inventor Count = 4.80
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. Ppg Industries, Inc. (2 from 2,825 patents)
2 patents:
1. 4808476 - Method for protecting heat sensitive substrates from fire and excessive
2. 4725457 - Resinous compositions and their formulation into intumescent fire