Average Co-Inventor Count = 2.40
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. Engelhard Corporation (2 from 623 patents)
2. The Mearl Corporation (31 patents)
2 patents:
1. 5824144 - Powder coating composition and method
2. 5759255 - Pearlescent pigment for exterior use