Average Co-Inventor Count = 4.44
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. Bayer Aktiengesellschaft (2 from 12,167 patents)
2 patents:
1. 5199986 - Process for coloring building materials
2. 5013365 - Iron oxide black pigments, processes for their preparation and their use