Average Co-Inventor Count = 4.90
ph-index = 3
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 (4 from 12,160 patents)
4 patents:
1. 5348582 - Mineral building materials with additives
2. 4045337 - Asymmetric, semipermeable membranes of cyclic polyureas
3. 4036748 - Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)
4. 3960590 - Modified chromium oxide pigment