Average Co-Inventor Count = 3.20
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. Elkem Metals Company (3 from 27 patents)
2. Union Carbide Corporation (1 from 2,921 patents)
4 patents:
1. 4420340 - Color retention pigment for paint compositions using latex vehicles
2. 4417008 - Improved color pigment for solvent-base paint formulations
3. 4417007 - Zinc rich paint formulations employing manganomanganic oxide fume pigment
4. 3933476 - Grain refining of aluminum