Average Co-Inventor Count = 1.64
ph-index = 1
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. Bayer Aktiengesellschaft (2 from 12,157 patents)
2. Toda Kogyo Corporation (1 from 386 patents)
3 patents:
1. 6080233 - Cobalt-containing iron oxide pigments, process for producing the same
2. 5837051 - Process for the thermal treatment of iron oxides in a circulating
3. 5338355 - Method of preparing goethite