Average Co-Inventor Count = 2.50
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. Wella Aktiengesellschaft (3 from 433 patents)
3 patents:
1. 7455698 - Cationic dyes and dyestuff for keratin fibres containing said compounds
2. 6461388 - Diaminobenzene derivative compounds and dye compositions containing same
3. 6231622 - Dye compositions, especially for dyeing hair, containing indane derivative compounds