Average Co-Inventor Count = 2.18
ph-index = 3
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. (4 from 2,825 patents)
4 patents:
1. 4965093 - Chemical vapor deposition of bismuth oxide
2. 4954367 - Vapor deposition of bis-tributyltin oxide
3. 4857361 - Haze-free infrared-reflecting coated glass
4. 4405352 - Method of melting glass on molten metal alloys