Average Co-Inventor Count = 2.73
ph-index = 5
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 Ohio, Inc. (3 from 1,743 patents)
2. Ppg Industries, Inc. (2 from 2,825 patents)
5 patents:
1. 6623794 - Multilayer heat processable vacuum coatings with metallic properties and method of heat processing
2. 6274244 - Multilayer heat processable vacuum coatings with metallic properties
3. 5965278 - Method of making cathode targets comprising silicon
4. 5705278 - Heat processable metallic vacuum coatings
5. 5552180 - Multilayer heat processable vacuum coatings with metallic properties