Average Co-Inventor Count = 2.00
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. 5071796 - Flat glass composition with improved melting and tempering properties
2. 4308319 - Pyrolytic deposition of a cobalt/tin oxide spinel film