Average Co-Inventor Count = 1.33
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. 4326924 - Stabilization of methylchloroform
2. 4289593 - Method for increasing the ultra-violet light transmittance of ethylene