Average Co-Inventor Count = 1.33
ph-index = 4
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. Basf Corporation (1 from 2,036 patents)
2. Engelhard Corporation (1 from 623 patents)
3. Basf Catalysts LLC (1 from 77 patents)
4. The Mearl Corporation (1 from 31 patents)
4 patents:
1. 8088212 - Sparkle effect of unique particle size distribution
2. 7318861 - Effect pigment
3. 7045007 - Effect pigment
4. 4146403 - Iron oxide coated mica nacreous pigments