Average Co-Inventor Count = 3.20
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. Wella Aktiengesellschaft (4 from 433 patents)
4 patents:
1. 7462204 - Cationic diaminopyrazoles, a process for producing them and colorants containing these compounds
2. 7361198 - M-diaminobenzenes, their acid adducts and the use thereof in colorants
3. 7195649 - N-aryl-4,5-diaminopyrazoles and dyes containing said compounds
4. 6716257 - Bridged diaminopyrazole compounds and dye compositions containing same